%0 Journal Article %A V. S. Klimov %T On the problem of periodic solutions of operator differential inclusions %J Izvestiya. Mathematics %D 1990 %P 317-335 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_2_a4/ %G en %F IM2_1990_34_2_a4