%0 Journal Article %A Yu. N. Zhelnin %T Optimal control with incomplete information %J Doklady Akademii Nauk %D 1971 %P 44-47 %V 199 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_1_a10/ %G ru %F DAN_1971_199_1_a10