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@article{DE_1965_1_9_a2, author = {B. F. Bylov}, title = {Transformation of time in problems of stability with respect to the first approximation}, journal = {Differencialʹnye uravneni\^a}, pages = {1149--1154}, publisher = {mathdoc}, volume = {1}, number = {9}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_9_a2/} }
B. F. Bylov. Transformation of time in problems of stability with respect to the first approximation. Differencialʹnye uravneniâ, Tome 1 (1965) no. 9, pp. 1149-1154. http://geodesic.mathdoc.fr/item/DE_1965_1_9_a2/