%0 Journal Article
%A V. A. Toponogov
%T Riemannian spaces having their curvature bounded below by a positive number
%J Doklady Akademii Nauk
%D 1958
%P 719-721
%V 120
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_120_4_a8/
%G ru
%F DAN_1958_120_4_a8