%0 Journal Article %A P. D. Krut'ko %T Asymptotic properties of control systems that are optimal with %J Doklady Akademii Nauk %D 1992 %P 241-245 %V 326 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_326_2_a6/ %G ru %F DAN_1992_326_2_a6