%0 Journal Article %A V. I. Ivanenko %A V. S. Mel'nik %T Extremal synthesis of attracting sets for operator-differential %J Doklady Akademii Nauk %D 1993 %P 416-418 %V 331 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_331_4_a8/ %G ru %F DAN_1993_331_4_a8