%0 Journal Article
%A S. A. Rakov
%T $C$-convexity and the ``problem of there spaces''
%J Doklady Akademii Nauk
%D 1976
%P 303-305
%V 228
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_228_2_a11/
%G ru
%F DAN_1976_228_2_a11