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@article{DE_1972_8_5_a8, author = {A. I. Perov and I. Yu. \`Egle}, title = {On the {Poincar\'e--Denjoy} theory of multidimensional differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {801--810}, publisher = {mathdoc}, volume = {8}, number = {5}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_5_a8/} }
A. I. Perov; I. Yu. Ègle. On the Poincar\'e--Denjoy theory of multidimensional differential equations. Differencialʹnye uravneniâ, Tome 8 (1972) no. 5, pp. 801-810. http://geodesic.mathdoc.fr/item/DE_1972_8_5_a8/