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@article{DE_1969_5_5_a5, author = {M. M. Khapaev}, title = {The stability of the state of equilibrium of systems of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {848--855}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a5/} }
M. M. Khapaev. The stability of the state of equilibrium of systems of differential equations. Differencialʹnye uravneniâ, Tome 5 (1969) no. 5, pp. 848-855. http://geodesic.mathdoc.fr/item/DE_1969_5_5_a5/