%0 Journal Article %A S. P. Sorokin %T Estimates of reachable set and sufficient optimality condition for discrete control problems %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 178-183 %V 19 %U http://geodesic.mathdoc.fr/item/IIGUM_2017_19_a13/ %G ru %F IIGUM_2017_19_a13