%0 Journal Article %A V. I. Gurman %T On certain problems in optimal control theory %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 26-43 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2017_19_a2/ %G ru %F IIGUM_2017_19_a2