%0 Journal Article %A M. P. Dymkov %T Necessary conditions for optimality in convex problems of the control of discrete 2-D systems with constraints %J Differencialʹnye uravneniâ %D 1997 %P 161-166 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_2_a3/ %G ru %F DE_1997_33_2_a3