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@article{DE_1966_2_3_a5, author = {V. V. Laricheva}, title = {On the averaging of a certain class of systems of nonlinear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {345--352}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1966_2_3_a5/} }
V. V. Laricheva. On the averaging of a certain class of systems of nonlinear differential equations. Differencialʹnye uravneniâ, Tome 2 (1966) no. 3, pp. 345-352. http://geodesic.mathdoc.fr/item/DE_1966_2_3_a5/