%0 Journal Article %A V. V. Kazakevich %T Extremum control of objects with inertia and of unstable objects %J Doklady Akademii Nauk %D 1960 %P 756-759 %V 133 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_4_a4/ %G ru %F DAN_1960_133_4_a4