%0 Journal Article %A V. V. Korolev %T On the existence and uniqueness of a limiting cycle for many-dimensional autonomous systems %J Differencialʹnye uravneniâ %D 1965 %P 736-741 %V 1 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_6_a3/ %G ru %F DE_1965_1_6_a3