%0 Journal Article
%A A. V. Pogorelov
%T H. Busemann's $G$-spaces with a Riemannian metric
%J Doklady Akademii Nauk
%D 1990
%P 1044-1046
%V 313
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_313_5_a3/
%G ru
%F DAN_1990_313_5_a3