%0 Journal Article %A Yu. P. Krivenkov %T Linear optimal processes with unbounded control. I %J Differencialʹnye uravneniâ %D 1968 %P 409-422 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_3_a2/ %G ru %F DE_1968_4_3_a2