%0 Journal Article %A V. I. Plotnikov %T A problem of optimal control for stationary systems with distributed parameters %J Doklady Akademii Nauk %D 1966 %P 290-293 %V 170 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a14/ %G ru %F DAN_1966_170_2_a14