%0 Journal Article
%A Yu. D. Burago
%A V. A. Zalgaller
%T Sufficient conditions for convexity
%J Zapiski Nauchnykh Seminarov POMI
%D 1974
%P 3-52
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1974_45_a0/
%G ru
%F ZNSL_1974_45_a0