%0 Journal Article
%A V. G. Boltyanskii
%T On certain classes of convex sets
%J Doklady Akademii Nauk
%D 1976
%P 19-22
%V 226
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_226_1_a2/
%G ru
%F DAN_1976_226_1_a2