https://mathematics.elpub.ru/jourhttps://mathematics.elpub.ru/jour/abouthttps://mathematics.elpub.ru/jour/about/editorialTeamhttps://mathematics.elpub.ru/jour/about/editorialPolicieshttps://mathematics.elpub.ru/jour/about/submissionshttps://mathematics.elpub.ru/jour/about/siteMaphttps://mathematics.elpub.ru/jour/about/aboutThisPublishingSystemhttps://mathematics.elpub.ru/jour/searchhttps://mathematics.elpub.ru/jour/search/authorshttps://mathematics.elpub.ru/jour/search/titleshttps://mathematics.elpub.ru/jour/issue/currenthttps://mathematics.elpub.ru/jour/issue/archivehttps://mathematics.elpub.ru/jour/issue/view/7https://mathematics.elpub.ru/jour/article/view/38https://mathematics.elpub.ru/jour/article/view/38/37https://mathematics.elpub.ru/jour/article/view/39https://mathematics.elpub.ru/jour/article/view/39/38https://mathematics.elpub.ru/jour/article/view/40https://mathematics.elpub.ru/jour/article/view/40/39https://mathematics.elpub.ru/jour/article/view/41https://mathematics.elpub.ru/jour/article/view/41/40https://mathematics.elpub.ru/jour/article/view/42https://mathematics.elpub.ru/jour/article/view/42/41https://mathematics.elpub.ru/jour/article/view/43https://mathematics.elpub.ru/jour/article/view/43/42https://mathematics.elpub.ru/jour/article/view/44https://mathematics.elpub.ru/jour/article/view/44/43https://mathematics.elpub.ru/jour/article/view/45https://mathematics.elpub.ru/jour/article/view/45/44https://mathematics.elpub.ru/jour/issue/view/46https://mathematics.elpub.ru/jour/article/view/362https://mathematics.elpub.ru/jour/article/view/362/377https://mathematics.elpub.ru/jour/article/view/363https://mathematics.elpub.ru/jour/article/view/363/378https://mathematics.elpub.ru/jour/article/view/364https://mathematics.elpub.ru/jour/article/view/364/379https://mathematics.elpub.ru/jour/article/view/365https://mathematics.elpub.ru/jour/article/view/365/380https://mathematics.elpub.ru/jour/article/view/366https://mathematics.elpub.ru/jour/article/view/366/381https://mathematics.elpub.ru/jour/article/view/367https://mathematics.elpub.ru/jour/article/view/367/382https://mathematics.elpub.ru/jour/article/view/368https://mathematics.elpub.ru/jour/article/view/368/383https://mathematics.elpub.ru/jour/issue/view/13https://mathematics.elpub.ru/jour/article/view/86https://mathematics.elpub.ru/jour/article/view/86/119https://mathematics.elpub.ru/jour/article/view/87https://mathematics.elpub.ru/jour/article/view/87/120https://mathematics.elpub.ru/jour/article/view/88https://mathematics.elpub.ru/jour/article/view/88/121https://mathematics.elpub.ru/jour/article/view/89https://mathematics.elpub.ru/jour/article/view/89/122https://mathematics.elpub.ru/jour/article/view/90https://mathematics.elpub.ru/jour/article/view/90/123https://mathematics.elpub.ru/jour/article/view/91https://mathematics.elpub.ru/jour/article/view/91/124https://mathematics.elpub.ru/jour/article/view/92https://mathematics.elpub.ru/jour/article/view/92/125https://mathematics.elpub.ru/jour/issue/view/14https://mathematics.elpub.ru/jour/article/view/93https://mathematics.elpub.ru/jour/article/view/93/126https://mathematics.elpub.ru/jour/article/view/94https://mathematics.elpub.ru/jour/article/view/94/127https://mathematics.elpub.ru/jour/article/view/95https://mathematics.elpub.ru/jour/article/view/95/128https://mathematics.elpub.ru/jour/article/view/96https://mathematics.elpub.ru/jour/article/view/96/129https://mathematics.elpub.ru/jour/article/view/97https://mathematics.elpub.ru/jour/article/view/97/130https://mathematics.elpub.ru/jour/article/view/98https://mathematics.elpub.ru/jour/article/view/98/131https://mathematics.elpub.ru/jour/article/view/99https://mathematics.elpub.ru/jour/article/view/99/132https://mathematics.elpub.ru/jour/issue/view/15https://mathematics.elpub.ru/jour/article/view/100https://mathematics.elpub.ru/jour/article/view/100/133https://mathematics.elpub.ru/jour/article/view/101https://mathematics.elpub.ru/jour/article/view/101/134https://mathematics.elpub.ru/jour/article/view/102https://mathematics.elpub.ru/jour/article/view/102/135https://mathematics.elpub.ru/jour/article/view/103https://mathematics.elpub.ru/jour/article/view/103/136https://mathematics.elpub.ru/jour/article/view/104https://mathematics.elpub.ru/jour/article/view/104/137https://mathematics.elpub.ru/jour/article/view/105https://mathematics.elpub.ru/jour/article/view/105/138https://mathematics.elpub.ru/jour/article/view/106https://mathematics.elpub.ru/jour/article/view/106/139https://mathematics.elpub.ru/jour/issue/view/16https://mathematics.elpub.ru/jour/article/view/107https://mathematics.elpub.ru/jour/article/view/107/140https://mathematics.elpub.ru/jour/article/view/108https://mathematics.elpub.ru/jour/article/view/108/141https://mathematics.elpub.ru/jour/article/view/109https://mathematics.elpub.ru/jour/article/view/109/142https://mathematics.elpub.ru/jour/article/view/110https://mathematics.elpub.ru/jour/article/view/110/143https://mathematics.elpub.ru/jour/article/view/111https://mathematics.elpub.ru/jour/article/view/111/144https://mathematics.elpub.ru/jour/article/view/112https://mathematics.elpub.ru/jour/article/view/112/145https://mathematics.elpub.ru/jour/article/view/113https://mathematics.elpub.ru/jour/article/view/113/146https://mathematics.elpub.ru/jour/issue/view/9https://mathematics.elpub.ru/jour/article/view/54https://mathematics.elpub.ru/jour/article/view/54/46https://mathematics.elpub.ru/jour/article/view/55https://mathematics.elpub.ru/jour/article/view/55/47https://mathematics.elpub.ru/jour/article/view/56https://mathematics.elpub.ru/jour/article/view/56/48https://mathematics.elpub.ru/jour/article/view/56/49https://mathematics.elpub.ru/jour/article/view/56/50https://mathematics.elpub.ru/jour/article/view/56/51https://mathematics.elpub.ru/jour/article/view/56/52https://mathematics.elpub.ru/jour/article/view/56/53https://mathematics.elpub.ru/jour/article/view/56/54https://mathematics.elpub.ru/jour/article/view/56/55https://mathematics.elpub.ru/jour/article/view/56/56https://mathematics.elpub.ru/jour/article/view/56/57https://mathematics.elpub.ru/jour/article/view/57https://mathematics.elpub.ru/jour/article/view/57/58https://mathematics.elpub.ru/jour/article/view/58https://mathematics.elpub.ru/jour/article/view/58/59https://mathematics.elpub.ru/jour/article/view/59https://mathematics.elpub.ru/jour/article/view/59/60https://mathematics.elpub.ru/jour/article/view/60https://mathematics.elpub.ru/jour/article/view/60/61https://mathematics.elpub.ru/jour/article/view/61https://mathematics.elpub.ru/jour/article/view/61/62https://mathematics.elpub.ru/jour/article/view/62https://mathematics.elpub.ru/jour/article/view/62/63https://mathematics.elpub.ru/jour/article/view/62/64https://mathematics.elpub.ru/jour/article/view/62/65https://mathematics.elpub.ru/jour/article/view/62/66https://mathematics.elpub.ru/jour/article/view/62/67https://mathematics.elpub.ru/jour/article/view/62/68https://mathematics.elpub.ru/jour/article/view/62/69https://mathematics.elpub.ru/jour/article/view/62/70https://mathematics.elpub.ru/jour/article/view/62/71https://mathematics.elpub.ru/jour/article/view/62/72https://mathematics.elpub.ru/jour/article/view/62/73https://mathematics.elpub.ru/jour/article/view/62/74https://mathematics.elpub.ru/jour/article/view/62/75https://mathematics.elpub.ru/jour/article/view/62/76https://mathematics.elpub.ru/jour/article/view/62/77https://mathematics.elpub.ru/jour/issue/view/10https://mathematics.elpub.ru/jour/article/view/63https://mathematics.elpub.ru/jour/article/view/63/78https://mathematics.elpub.ru/jour/article/view/64https://mathematics.elpub.ru/jour/article/view/64/79https://mathematics.elpub.ru/jour/article/view/65https://mathematics.elpub.ru/jour/article/view/65/80https://mathematics.elpub.ru/jour/article/view/66https://mathematics.elpub.ru/jour/article/view/66/85https://mathematics.elpub.ru/jour/article/view/67https://mathematics.elpub.ru/jour/article/view/67/86https://mathematics.elpub.ru/jour/article/view/68https://mathematics.elpub.ru/jour/article/view/68/87https://mathematics.elpub.ru/jour/article/view/69https://mathematics.elpub.ru/jour/article/view/69/88https://mathematics.elpub.ru/jour/article/view/69/89https://mathematics.elpub.ru/jour/article/view/70https://mathematics.elpub.ru/jour/article/view/70/90https://mathematics.elpub.ru/jour/issue/view/11https://mathematics.elpub.ru/jour/article/view/71https://mathematics.elpub.ru/jour/article/view/71/91https://mathematics.elpub.ru/jour/article/view/72https://mathematics.elpub.ru/jour/article/view/72/92https://mathematics.elpub.ru/jour/article/view/73https://mathematics.elpub.ru/jour/article/view/73/93https://mathematics.elpub.ru/jour/article/view/74https://mathematics.elpub.ru/jour/article/view/74/94https://mathematics.elpub.ru/jour/article/view/75https://mathematics.elpub.ru/jour/article/view/75/95https://mathematics.elpub.ru/jour/article/view/75/96https://mathematics.elpub.ru/jour/article/view/75/97https://mathematics.elpub.ru/jour/article/view/75/98https://mathematics.elpub.ru/jour/article/view/75/99https://mathematics.elpub.ru/jour/article/view/75/100https://mathematics.elpub.ru/jour/article/view/75/101https://mathematics.elpub.ru/jour/article/view/76https://mathematics.elpub.ru/jour/article/view/76/102https://mathematics.elpub.ru/jour/article/view/77https://mathematics.elpub.ru/jour/article/view/77/103https://mathematics.elpub.ru/jour/article/view/78https://mathematics.elpub.ru/jour/article/view/78/104https://mathematics.elpub.ru/jour/issue/view/12https://mathematics.elpub.ru/jour/article/view/79https://mathematics.elpub.ru/jour/article/view/79/105https://mathematics.elpub.ru/jour/article/view/79/106https://mathematics.elpub.ru/jour/article/view/79/107https://mathematics.elpub.ru/jour/article/view/80https://mathematics.elpub.ru/jour/article/view/80/108https://mathematics.elpub.ru/jour/article/view/81https://mathematics.elpub.ru/jour/article/view/81/109https://mathematics.elpub.ru/jour/article/view/81/110https://mathematics.elpub.ru/jour/article/view/81/111https://mathematics.elpub.ru/jour/article/view/81/112https://mathematics.elpub.ru/jour/article/view/81/113https://mathematics.elpub.ru/jour/article/view/81/114https://mathematics.elpub.ru/jour/article/view/82https://mathematics.elpub.ru/jour/article/view/82/115https://mathematics.elpub.ru/jour/article/view/83https://mathematics.elpub.ru/jour/article/view/83/116https://mathematics.elpub.ru/jour/article/view/84https://mathematics.elpub.ru/jour/article/view/84/117https://mathematics.elpub.ru/jour/article/view/85https://mathematics.elpub.ru/jour/article/view/85/118https://mathematics.elpub.ru/jour/article/view/128https://mathematics.elpub.ru/jour/article/view/128/161https://mathematics.elpub.ru/jour/issue/view/2https://mathematics.elpub.ru/jour/article/view/3https://mathematics.elpub.ru/jour/article/view/3/3https://mathematics.elpub.ru/jour/article/view/4https://mathematics.elpub.ru/jour/article/view/4/4https://mathematics.elpub.ru/jour/article/view/5https://mathematics.elpub.ru/jour/article/view/5/5https://mathematics.elpub.ru/jour/article/view/6https://mathematics.elpub.ru/jour/article/view/6/6https://mathematics.elpub.ru/jour/article/view/7https://mathematics.elpub.ru/jour/article/view/7/7https://mathematics.elpub.ru/jour/article/view/8https://mathematics.elpub.ru/jour/article/view/8/8https://mathematics.elpub.ru/jour/article/view/9https://mathematics.elpub.ru/jour/article/view/9/9https://mathematics.elpub.ru/jour/article/view/10https://mathematics.elpub.ru/jour/article/view/10/10https://mathematics.elpub.ru/jour/issue/view/3https://mathematics.elpub.ru/jour/article/view/12https://mathematics.elpub.ru/jour/article/view/12/11https://mathematics.elpub.ru/jour/article/view/13https://mathematics.elpub.ru/jour/article/view/13/12https://mathematics.elpub.ru/jour/article/view/14https://mathematics.elpub.ru/jour/article/view/14/13https://mathematics.elpub.ru/jour/article/view/15https://mathematics.elpub.ru/jour/article/view/15/14https://mathematics.elpub.ru/jour/article/view/16https://mathematics.elpub.ru/jour/article/view/16/15https://mathematics.elpub.ru/jour/article/view/17https://mathematics.elpub.ru/jour/article/view/17/16https://mathematics.elpub.ru/jour/article/view/18https://mathematics.elpub.ru/jour/article/view/18/17https://mathematics.elpub.ru/jour/article/view/19https://mathematics.elpub.ru/jour/article/view/19/18https://mathematics.elpub.ru/jour/issue/view/4https://mathematics.elpub.ru/jour/article/view/20https://mathematics.elpub.ru/jour/article/view/20/19https://mathematics.elpub.ru/jour/article/view/21https://mathematics.elpub.ru/jour/article/view/21/20https://mathematics.elpub.ru/jour/article/view/22https://mathematics.elpub.ru/jour/article/view/22/21https://mathematics.elpub.ru/jour/article/view/23https://mathematics.elpub.ru/jour/article/view/23/22https://mathematics.elpub.ru/jour/article/view/24https://mathematics.elpub.ru/jour/article/view/24/23https://mathematics.elpub.ru/jour/article/view/25https://mathematics.elpub.ru/jour/article/view/25/24https://mathematics.elpub.ru/jour/article/view/26https://mathematics.elpub.ru/jour/article/view/26/25https://mathematics.elpub.ru/jour/article/view/129https://mathematics.elpub.ru/jour/article/view/129/162https://mathematics.elpub.ru/jour/article/view/130https://mathematics.elpub.ru/jour/article/view/130/163https://mathematics.elpub.ru/jour/article/view/131https://mathematics.elpub.ru/jour/article/view/131/164https://mathematics.elpub.ru/jour/issue/view/17https://mathematics.elpub.ru/jour/article/view/116https://mathematics.elpub.ru/jour/article/view/116/149https://mathematics.elpub.ru/jour/article/view/117https://mathematics.elpub.ru/jour/article/view/117/150https://mathematics.elpub.ru/jour/article/view/118https://mathematics.elpub.ru/jour/article/view/118/151https://mathematics.elpub.ru/jour/article/view/119https://mathematics.elpub.ru/jour/article/view/119/152https://mathematics.elpub.ru/jour/article/view/120https://mathematics.elpub.ru/jour/article/view/120/153https://mathematics.elpub.ru/jour/article/view/31https://mathematics.elpub.ru/jour/article/view/31/30https://mathematics.elpub.ru/jour/article/view/32https://mathematics.elpub.ru/jour/article/view/32/31https://mathematics.elpub.ru/jour/article/view/33https://mathematics.elpub.ru/jour/article/view/33/32https://mathematics.elpub.ru/jour/article/view/123https://mathematics.elpub.ru/jour/article/view/123/156https://mathematics.elpub.ru/jour/article/view/124https://mathematics.elpub.ru/jour/article/view/124/157https://mathematics.elpub.ru/jour/issue/view/23https://mathematics.elpub.ru/jour/article/view/133https://mathematics.elpub.ru/jour/article/view/133/165https://mathematics.elpub.ru/jour/article/view/134https://mathematics.elpub.ru/jour/article/view/134/166https://mathematics.elpub.ru/jour/article/view/135https://mathematics.elpub.ru/jour/article/view/135/167https://mathematics.elpub.ru/jour/article/view/136https://mathematics.elpub.ru/jour/article/view/136/168https://mathematics.elpub.ru/jour/article/view/137https://mathematics.elpub.ru/jour/article/view/137/169https://mathematics.elpub.ru/jour/article/view/138https://mathematics.elpub.ru/jour/article/view/138/170https://mathematics.elpub.ru/jour/article/view/139https://mathematics.elpub.ru/jour/article/view/139/171https://mathematics.elpub.ru/jour/issue/view/24https://mathematics.elpub.ru/jour/article/view/140https://mathematics.elpub.ru/jour/article/view/140/172https://mathematics.elpub.ru/jour/article/view/141https://mathematics.elpub.ru/jour/article/view/141/173https://mathematics.elpub.ru/jour/article/view/142https://mathematics.elpub.ru/jour/article/view/142/174https://mathematics.elpub.ru/jour/article/view/143https://mathematics.elpub.ru/jour/article/view/143/175https://mathematics.elpub.ru/jour/article/view/144https://mathematics.elpub.ru/jour/article/view/144/176https://mathematics.elpub.ru/jour/article/view/145https://mathematics.elpub.ru/jour/article/view/145/177https://mathematics.elpub.ru/jour/article/view/146https://mathematics.elpub.ru/jour/article/view/146/178https://mathematics.elpub.ru/jour/article/view/147https://mathematics.elpub.ru/jour/article/view/147/179https://mathematics.elpub.ru/jour/article/view/148https://mathematics.elpub.ru/jour/article/view/148/180https://mathematics.elpub.ru/jour/issue/view/25https://mathematics.elpub.ru/jour/article/view/149https://mathematics.elpub.ru/jour/article/view/149/181https://mathematics.elpub.ru/jour/article/view/150https://mathematics.elpub.ru/jour/article/view/150/182https://mathematics.elpub.ru/jour/article/view/151https://mathematics.elpub.ru/jour/article/view/151/183https://mathematics.elpub.ru/jour/article/view/152https://mathematics.elpub.ru/jour/article/view/152/184https://mathematics.elpub.ru/jour/article/view/153https://mathematics.elpub.ru/jour/article/view/153/185https://mathematics.elpub.ru/jour/article/view/154https://mathematics.elpub.ru/jour/article/view/154/186https://mathematics.elpub.ru/jour/article/view/155https://mathematics.elpub.ru/jour/article/view/155/187https://mathematics.elpub.ru/jour/article/view/156https://mathematics.elpub.ru/jour/article/view/156/188https://mathematics.elpub.ru/jour/issue/view/26https://mathematics.elpub.ru/jour/article/view/157https://mathematics.elpub.ru/jour/article/view/157/189https://mathematics.elpub.ru/jour/article/view/158https://mathematics.elpub.ru/jour/article/view/158/190https://mathematics.elpub.ru/jour/article/view/159https://mathematics.elpub.ru/jour/article/view/159/191https://mathematics.elpub.ru/jour/article/view/160https://mathematics.elpub.ru/jour/article/view/160/192https://mathematics.elpub.ru/jour/article/view/161https://mathematics.elpub.ru/jour/article/view/161/193https://mathematics.elpub.ru/jour/article/view/162https://mathematics.elpub.ru/jour/article/view/162/194https://mathematics.elpub.ru/jour/article/view/163https://mathematics.elpub.ru/jour/article/view/163/195https://mathematics.elpub.ru/jour/issue/view/28https://mathematics.elpub.ru/jour/article/view/173https://mathematics.elpub.ru/jour/article/view/173/205https://mathematics.elpub.ru/jour/article/view/174https://mathematics.elpub.ru/jour/article/view/174/206https://mathematics.elpub.ru/jour/article/view/175https://mathematics.elpub.ru/jour/article/view/175/207https://mathematics.elpub.ru/jour/article/view/176https://mathematics.elpub.ru/jour/article/view/176/208https://mathematics.elpub.ru/jour/article/view/177https://mathematics.elpub.ru/jour/article/view/177/209https://mathematics.elpub.ru/jour/article/view/178https://mathematics.elpub.ru/jour/article/view/178/210https://mathematics.elpub.ru/jour/article/view/179https://mathematics.elpub.ru/jour/article/view/179/211https://mathematics.elpub.ru/jour/article/view/180https://mathematics.elpub.ru/jour/article/view/180/212https://mathematics.elpub.ru/jour/issue/view/29https://mathematics.elpub.ru/jour/article/view/181https://mathematics.elpub.ru/jour/article/view/181/213https://mathematics.elpub.ru/jour/article/view/182https://mathematics.elpub.ru/jour/article/view/182/214https://mathematics.elpub.ru/jour/article/view/183https://mathematics.elpub.ru/jour/article/view/183/215https://mathematics.elpub.ru/jour/article/view/184https://mathematics.elpub.ru/jour/article/view/184/216https://mathematics.elpub.ru/jour/article/view/185https://mathematics.elpub.ru/jour/article/view/185/217https://mathematics.elpub.ru/jour/article/view/186https://mathematics.elpub.ru/jour/article/view/186/218https://mathematics.elpub.ru/jour/article/view/187https://mathematics.elpub.ru/jour/article/view/187/219https://mathematics.elpub.ru/jour/article/view/188https://mathematics.elpub.ru/jour/article/view/188/220https://mathematics.elpub.ru/jour/issue/view/30https://mathematics.elpub.ru/jour/article/view/189https://mathematics.elpub.ru/jour/article/view/189/221https://mathematics.elpub.ru/jour/article/view/190https://mathematics.elpub.ru/jour/article/view/190/222https://mathematics.elpub.ru/jour/article/view/191https://mathematics.elpub.ru/jour/article/view/191/223https://mathematics.elpub.ru/jour/article/view/192https://mathematics.elpub.ru/jour/article/view/192/224https://mathematics.elpub.ru/jour/article/view/193https://mathematics.elpub.ru/jour/article/view/193/225https://mathematics.elpub.ru/jour/article/view/194https://mathematics.elpub.ru/jour/article/view/194/226https://mathematics.elpub.ru/jour/article/view/195https://mathematics.elpub.ru/jour/article/view/195/227https://mathematics.elpub.ru/jour/article/view/196https://mathematics.elpub.ru/jour/article/view/196/228https://mathematics.elpub.ru/jour/issue/view/31https://mathematics.elpub.ru/jour/article/view/197https://mathematics.elpub.ru/jour/article/view/197/229https://mathematics.elpub.ru/jour/article/view/198https://mathematics.elpub.ru/jour/article/view/198/230https://mathematics.elpub.ru/jour/article/view/199https://mathematics.elpub.ru/jour/article/view/199/231https://mathematics.elpub.ru/jour/article/view/200https://mathematics.elpub.ru/jour/article/view/200/232https://mathematics.elpub.ru/jour/article/view/201https://mathematics.elpub.ru/jour/article/view/201/233https://mathematics.elpub.ru/jour/article/view/202https://mathematics.elpub.ru/jour/article/view/202/234https://mathematics.elpub.ru/jour/article/view/203https://mathematics.elpub.ru/jour/article/view/203/235https://mathematics.elpub.ru/jour/article/view/204https://mathematics.elpub.ru/jour/article/view/204/236https://mathematics.elpub.ru/jour/issue/view/32https://mathematics.elpub.ru/jour/article/view/205https://mathematics.elpub.ru/jour/article/view/205/237https://mathematics.elpub.ru/jour/article/view/206https://mathematics.elpub.ru/jour/article/view/206/238https://mathematics.elpub.ru/jour/article/view/207https://mathematics.elpub.ru/jour/article/view/207/239https://mathematics.elpub.ru/jour/article/view/208https://mathematics.elpub.ru/jour/article/view/208/240https://mathematics.elpub.ru/jour/article/view/209https://mathematics.elpub.ru/jour/article/view/209/241https://mathematics.elpub.ru/jour/article/view/210https://mathematics.elpub.ru/jour/article/view/210/242https://mathematics.elpub.ru/jour/article/view/211https://mathematics.elpub.ru/jour/article/view/211/243https://mathematics.elpub.ru/jour/article/view/212https://mathematics.elpub.ru/jour/article/view/212/244https://mathematics.elpub.ru/jour/issue/view/33https://mathematics.elpub.ru/jour/article/view/213https://mathematics.elpub.ru/jour/article/view/213/245https://mathematics.elpub.ru/jour/article/view/214https://mathematics.elpub.ru/jour/article/view/214/246https://mathematics.elpub.ru/jour/article/view/215https://mathematics.elpub.ru/jour/article/view/215/247https://mathematics.elpub.ru/jour/article/view/216https://mathematics.elpub.ru/jour/article/view/216/248https://mathematics.elpub.ru/jour/article/view/217https://mathematics.elpub.ru/jour/article/view/217/249https://mathematics.elpub.ru/jour/article/view/218https://mathematics.elpub.ru/jour/article/view/218/250https://mathematics.elpub.ru/jour/article/view/219https://mathematics.elpub.ru/jour/article/view/219/251https://mathematics.elpub.ru/jour/article/view/220https://mathematics.elpub.ru/jour/article/view/220/252https://mathematics.elpub.ru/jour/issue/view/34https://mathematics.elpub.ru/jour/article/view/221https://mathematics.elpub.ru/jour/article/view/221/253https://mathematics.elpub.ru/jour/article/view/222https://mathematics.elpub.ru/jour/article/view/222/254https://mathematics.elpub.ru/jour/article/view/223https://mathematics.elpub.ru/jour/article/view/223/255https://mathematics.elpub.ru/jour/article/view/224https://mathematics.elpub.ru/jour/article/view/224/256https://mathematics.elpub.ru/jour/article/view/225https://mathematics.elpub.ru/jour/article/view/225/257https://mathematics.elpub.ru/jour/article/view/226https://mathematics.elpub.ru/jour/article/view/226/258https://mathematics.elpub.ru/jour/article/view/227https://mathematics.elpub.ru/jour/article/view/227/259https://mathematics.elpub.ru/jour/article/view/228https://mathematics.elpub.ru/jour/article/view/228/260https://mathematics.elpub.ru/jour/issue/view/35https://mathematics.elpub.ru/jour/article/view/229https://mathematics.elpub.ru/jour/article/view/229/261https://mathematics.elpub.ru/jour/article/view/230https://mathematics.elpub.ru/jour/article/view/230/262https://mathematics.elpub.ru/jour/article/view/231https://mathematics.elpub.ru/jour/article/view/231/263https://mathematics.elpub.ru/jour/article/view/232https://mathematics.elpub.ru/jour/article/view/232/264https://mathematics.elpub.ru/jour/article/view/233https://mathematics.elpub.ru/jour/article/view/233/265https://mathematics.elpub.ru/jour/article/view/234https://mathematics.elpub.ru/jour/article/view/234/266https://mathematics.elpub.ru/jour/article/view/235https://mathematics.elpub.ru/jour/article/view/235/267https://mathematics.elpub.ru/jour/article/view/236https://mathematics.elpub.ru/jour/article/view/236/268https://mathematics.elpub.ru/jour/issue/view/41https://mathematics.elpub.ru/jour/article/view/285https://mathematics.elpub.ru/jour/article/view/285/317https://mathematics.elpub.ru/jour/article/view/286https://mathematics.elpub.ru/jour/article/view/286/318https://mathematics.elpub.ru/jour/article/view/287https://mathematics.elpub.ru/jour/article/view/287/319https://mathematics.elpub.ru/jour/article/view/288https://mathematics.elpub.ru/jour/article/view/288/320https://mathematics.elpub.ru/jour/article/view/289https://mathematics.elpub.ru/jour/article/view/289/321https://mathematics.elpub.ru/jour/article/view/290https://mathematics.elpub.ru/jour/article/view/290/322https://mathematics.elpub.ru/jour/article/view/291https://mathematics.elpub.ru/jour/article/view/291/323https://mathematics.elpub.ru/jour/article/view/292https://mathematics.elpub.ru/jour/article/view/292/324https://mathematics.elpub.ru/jour/article/view/293https://mathematics.elpub.ru/jour/article/view/293/325https://mathematics.elpub.ru/jour/article/view/294https://mathematics.elpub.ru/jour/article/view/294/326https://mathematics.elpub.ru/jour/article/view/295https://mathematics.elpub.ru/jour/article/view/295/327https://mathematics.elpub.ru/jour/issue/view/39https://mathematics.elpub.ru/jour/article/view/262https://mathematics.elpub.ru/jour/article/view/262/294https://mathematics.elpub.ru/jour/article/view/263https://mathematics.elpub.ru/jour/article/view/263/295https://mathematics.elpub.ru/jour/article/view/264https://mathematics.elpub.ru/jour/article/view/264/296https://mathematics.elpub.ru/jour/article/view/265https://mathematics.elpub.ru/jour/article/view/265/297https://mathematics.elpub.ru/jour/article/view/266https://mathematics.elpub.ru/jour/article/view/266/298https://mathematics.elpub.ru/jour/article/view/267https://mathematics.elpub.ru/jour/article/view/267/299https://mathematics.elpub.ru/jour/article/view/268https://mathematics.elpub.ru/jour/article/view/268/300https://mathematics.elpub.ru/jour/article/view/269https://mathematics.elpub.ru/jour/article/view/269/301https://mathematics.elpub.ru/jour/issue/view/38https://mathematics.elpub.ru/jour/article/view/254https://mathematics.elpub.ru/jour/article/view/254/286https://mathematics.elpub.ru/jour/article/view/255https://mathematics.elpub.ru/jour/article/view/255/287https://mathematics.elpub.ru/jour/article/view/256https://mathematics.elpub.ru/jour/article/view/256/288https://mathematics.elpub.ru/jour/article/view/257https://mathematics.elpub.ru/jour/article/view/257/289https://mathematics.elpub.ru/jour/article/view/258https://mathematics.elpub.ru/jour/article/view/258/290https://mathematics.elpub.ru/jour/article/view/259https://mathematics.elpub.ru/jour/article/view/259/291https://mathematics.elpub.ru/jour/article/view/260https://mathematics.elpub.ru/jour/article/view/260/292https://mathematics.elpub.ru/jour/article/view/261https://mathematics.elpub.ru/jour/article/view/261/293https://mathematics.elpub.ru/jour/issue/view/37https://mathematics.elpub.ru/jour/article/view/246https://mathematics.elpub.ru/jour/article/view/246/278https://mathematics.elpub.ru/jour/article/view/247https://mathematics.elpub.ru/jour/article/view/247/279https://mathematics.elpub.ru/jour/article/view/248https://mathematics.elpub.ru/jour/article/view/248/280https://mathematics.elpub.ru/jour/article/view/249https://mathematics.elpub.ru/jour/article/view/249/281https://mathematics.elpub.ru/jour/article/view/250https://mathematics.elpub.ru/jour/article/view/250/282https://mathematics.elpub.ru/jour/article/view/251https://mathematics.elpub.ru/jour/article/view/251/283https://mathematics.elpub.ru/jour/article/view/252https://mathematics.elpub.ru/jour/article/view/252/284https://mathematics.elpub.ru/jour/article/view/253https://mathematics.elpub.ru/jour/article/view/253/285https://mathematics.elpub.ru/jour/issue/view/42https://mathematics.elpub.ru/jour/article/view/296https://mathematics.elpub.ru/jour/article/view/296/328https://mathematics.elpub.ru/jour/article/view/297https://mathematics.elpub.ru/jour/article/view/297/329https://mathematics.elpub.ru/jour/article/view/298https://mathematics.elpub.ru/jour/article/view/298/330https://mathematics.elpub.ru/jour/article/view/299https://mathematics.elpub.ru/jour/article/view/299/331https://mathematics.elpub.ru/jour/article/view/300https://mathematics.elpub.ru/jour/article/view/300/332https://mathematics.elpub.ru/jour/article/view/301https://mathematics.elpub.ru/jour/article/view/301/333https://mathematics.elpub.ru/jour/article/view/302https://mathematics.elpub.ru/jour/article/view/302/334https://mathematics.elpub.ru/jour/article/view/303https://mathematics.elpub.ru/jour/article/view/303/335https://mathematics.elpub.ru/jour/article/view/304https://mathematics.elpub.ru/jour/article/view/304/336https://mathematics.elpub.ru/jour/article/view/305https://mathematics.elpub.ru/jour/article/view/305/337https://mathematics.elpub.ru/jour/article/view/306https://mathematics.elpub.ru/jour/article/view/306/338https://mathematics.elpub.ru/jour/article/view/307https://mathematics.elpub.ru/jour/article/view/307/339https://mathematics.elpub.ru/jour/article/view/308https://mathematics.elpub.ru/jour/article/view/308/340https://mathematics.elpub.ru/jour/article/view/309https://mathematics.elpub.ru/jour/article/view/309/341https://mathematics.elpub.ru/jour/article/view/310https://mathematics.elpub.ru/jour/article/view/310/342https://mathematics.elpub.ru/jour/article/view/311https://mathematics.elpub.ru/jour/article/view/311/343https://mathematics.elpub.ru/jour/issue/view/44https://mathematics.elpub.ru/jour/article/view/330https://mathematics.elpub.ru/jour/article/view/330/362https://mathematics.elpub.ru/jour/article/view/331https://mathematics.elpub.ru/jour/article/view/331/363https://mathematics.elpub.ru/jour/article/view/332https://mathematics.elpub.ru/jour/article/view/332/364https://mathematics.elpub.ru/jour/article/view/333https://mathematics.elpub.ru/jour/article/view/333/365https://mathematics.elpub.ru/jour/article/view/334https://mathematics.elpub.ru/jour/article/view/334/366https://mathematics.elpub.ru/jour/article/view/335https://mathematics.elpub.ru/jour/article/view/335/367https://mathematics.elpub.ru/jour/article/view/336https://mathematics.elpub.ru/jour/article/view/336/368https://mathematics.elpub.ru/jour/article/view/337https://mathematics.elpub.ru/jour/article/view/337/369https://mathematics.elpub.ru/jour/article/view/338https://mathematics.elpub.ru/jour/article/view/338/370https://mathematics.elpub.ru/jour/article/view/339https://mathematics.elpub.ru/jour/article/view/339/371https://mathematics.elpub.ru/jour/article/view/340https://mathematics.elpub.ru/jour/article/view/340/372https://mathematics.elpub.ru/jour/article/view/341https://mathematics.elpub.ru/jour/article/view/341/373https://mathematics.elpub.ru/jour/article/view/342https://mathematics.elpub.ru/jour/article/view/342/374https://mathematics.elpub.ru/jour/article/view/343https://mathematics.elpub.ru/jour/article/view/343/375https://mathematics.elpub.ru/jour/article/view/344https://mathematics.elpub.ru/jour/article/view/344/376https://mathematics.elpub.ru/jour/article/view/345https://mathematics.elpub.ru/jour/article/view/346