%0 Journal Article
%A Beltagy, M.
%T Sufficient conditions for convexity in manifolds without focal points
%J Commentationes Mathematicae Universitatis Carolinae
%D 1993
%P 443-449
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1993__34_3_a6/
%G en
%F CMUC_1993__34_3_a6