%0 Journal Article %A M. I. Gusev %A I. V. Zykov %T On extremal properties of the boundary points of reachable sets for control systems with integral constraints %J Trudy Instituta matematiki i mehaniki %D 2017 %P 103-115 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2017_23_1_a11/ %G ru %F TIMM_2017_23_1_a11