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@article{DE_1968_4_7_a1, author = {A. V. Kostin}, title = {The asymptotic properties of solutions of first order ordinary differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1184--1195}, publisher = {mathdoc}, volume = {4}, number = {7}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_7_a1/} }
A. V. Kostin. The asymptotic properties of solutions of first order ordinary differential equations. Differencialʹnye uravneniâ, Tome 4 (1968) no. 7, pp. 1184-1195. http://geodesic.mathdoc.fr/item/DE_1968_4_7_a1/