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@article{DE_1970_6_2_a1, author = {R. \`E. Vinograd and N. A. Izobov}, title = {Solution of the {Ljapunov} stability problem by the first approximation}, journal = {Differencialʹnye uravneni\^a}, pages = {230--242}, publisher = {mathdoc}, volume = {6}, number = {2}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_2_a1/} }
R. È. Vinograd; N. A. Izobov. Solution of the Ljapunov stability problem by the first approximation. Differencialʹnye uravneniâ, Tome 6 (1970) no. 2, pp. 230-242. http://geodesic.mathdoc.fr/item/DE_1970_6_2_a1/