%0 Journal Article %A A. A. Uspenskii %T Weak invariance of a cylindrical set with smooth boundary with respect to a control system %J Trudy Instituta matematiki i mehaniki %D 2017 %P 241-250 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2017_23_1_a23/ %G ru %F TIMM_2017_23_1_a23