@article{DE_1970_6_12_a6,
     author = {A. V. Kostin},
     title = {The existence and behavior of solutions that have asymptotes in the case of second order nonlinear equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2182--2192},
     publisher = {mathdoc},
     volume = {6},
     number = {12},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_12_a6/}
}