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@article{DE_1971_7_2_a1, author = {\`E. I. Grudo}, title = {Asymptotic representation of the solutions of a certain system of two differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {196--204}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_2_a1/} }
È. I. Grudo. Asymptotic representation of the solutions of a certain system of two differential equations. Differencialʹnye uravneniâ, Tome 7 (1971) no. 2, pp. 196-204. http://geodesic.mathdoc.fr/item/DE_1971_7_2_a1/