Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1965_1_3_a9, author = {V. P. Rudakov}, title = {On the existence of an interval of stability of motion according to the first approximation}, journal = {Differencialʹnye uravneni\^a}, pages = {357--359}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_3_a9/} }
V. P. Rudakov. On the existence of an interval of stability of motion according to the first approximation. Differencialʹnye uravneniâ, Tome 1 (1965) no. 3, pp. 357-359. http://geodesic.mathdoc.fr/item/DE_1965_1_3_a9/