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@article{DE_1973_9_2_a4, author = {I. G. Egorov}, title = {Stability in the large of the zero solution of a certain system of two differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {241--250}, publisher = {mathdoc}, volume = {9}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_2_a4/} }
I. G. Egorov. Stability in the large of the zero solution of a certain system of two differential equations. Differencialʹnye uravneniâ, Tome 9 (1973) no. 2, pp. 241-250. http://geodesic.mathdoc.fr/item/DE_1973_9_2_a4/