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@article{DE_1977_13_6_a5, author = {G. S. Krechetov}, title = {Some properties of {Ljapunov} functions}, journal = {Differencialʹnye uravneni\^a}, pages = {1020--1025}, publisher = {mathdoc}, volume = {13}, number = {6}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_6_a5/} }
G. S. Krechetov. Some properties of Ljapunov functions. Differencialʹnye uravneniâ, Tome 13 (1977) no. 6, pp. 1020-1025. http://geodesic.mathdoc.fr/item/DE_1977_13_6_a5/