%0 Journal Article %A N. S. Rettiev %T Some properties of minimal invariant sets of control systems %J Differencialʹnye uravneniâ %D 1978 %P 1796-1805 %V 14 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_10_a8/ %G ru %F DE_1978_14_10_a8