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@article{DE_1968_4_6_a8, author = {V. V. Amel'kin}, title = {The behavior of the integral curves of a certain system of two differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1035--1042}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_6_a8/} }
V. V. Amel'kin. The behavior of the integral curves of a certain system of two differential equations. Differencialʹnye uravneniâ, Tome 4 (1968) no. 6, pp. 1035-1042. http://geodesic.mathdoc.fr/item/DE_1968_4_6_a8/