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@article{DE_1972_8_5_a22, author = {G. S. Larionov and R. M. Sunchaliev}, title = {The higher approximations in the averaging method}, journal = {Differencialʹnye uravneni\^a}, pages = {917--920}, publisher = {mathdoc}, volume = {8}, number = {5}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_5_a22/} }
G. S. Larionov; R. M. Sunchaliev. The higher approximations in the averaging method. Differencialʹnye uravneniâ, Tome 8 (1972) no. 5, pp. 917-920. http://geodesic.mathdoc.fr/item/DE_1972_8_5_a22/