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@article{DE_1971_7_2_a15, author = {L. M. Berkovich}, title = {Transformations of ordinary nonlinear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {353--356}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_2_a15/} }
L. M. Berkovich. Transformations of ordinary nonlinear differential equations. Differencialʹnye uravneniâ, Tome 7 (1971) no. 2, pp. 353-356. http://geodesic.mathdoc.fr/item/DE_1971_7_2_a15/