%0 Journal Article
%A V. G. Boltyanskii
%T Helly's theorem for $H$-convex sets
%J Doklady Akademii Nauk
%D 1976
%P 249-252
%V 226
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_226_2_a0/
%G ru
%F DAN_1976_226_2_a0