%0 Journal Article
%A M. S. Nikol'skii
%T Approximation of convex-valued continuous multivalued mappings
%J Doklady Akademii Nauk
%D 1989
%P 1047-1050
%V 308
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_308_5_a4/
%G ru
%F DAN_1989_308_5_a4