%0 Journal Article %A A. A. Tolstonogov %T On density and co-density of the solution set of a differential inclusion in a Banach space %J Doklady Akademii Nauk %D 1981 %P 293-296 %V 261 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_2_a8/ %G ru %F DAN_1981_261_2_a8