%0 Journal Article %A A. I. Perov %A I. Yu. Ègle %T On the Poincar\'e--Denjoy theory of multidimensional differential equations %J Differencialʹnye uravneniâ %D 1972 %P 801-810 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_5_a8/ %G ru %F DE_1972_8_5_a8