%0 Journal Article %A Kh. G. Guseinov %A V. N. Ushakov %T Strongly and weakly invariant sets with respect to a differential inclusion, their derivatives and application to control problems %J Differencialʹnye uravneniâ %D 1990 %P 1888-1894 %V 26 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_11_a6/ %G ru %F DE_1990_26_11_a6