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@article{DE_1965_1_6_a3, author = {V. V. Korolev}, title = {On the existence and uniqueness of a limiting cycle for many-dimensional autonomous systems}, journal = {Differencialʹnye uravneni\^a}, pages = {736--741}, publisher = {mathdoc}, volume = {1}, number = {6}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_6_a3/} }
V. V. Korolev. On the existence and uniqueness of a limiting cycle for many-dimensional autonomous systems. Differencialʹnye uravneniâ, Tome 1 (1965) no. 6, pp. 736-741. http://geodesic.mathdoc.fr/item/DE_1965_1_6_a3/