TY - JOUR AU - A. A. Uspenskii TI - Weak invariance of a cylindrical set with smooth boundary with respect to a control system JO - Trudy Instituta matematiki i mehaniki PY - 2017 SP - 241 EP - 250 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2017_23_1_a23/ LA - ru ID - TIMM_2017_23_1_a23 ER -