%0 Journal Article
%A M. I. Shtogrin
%T Positivity of Curvature and Convexity of Faces
%J Informatics and Automation
%D 2006
%P 277-284
%V 252
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_2006_252_a21/
%G ru
%F TRSPY_2006_252_a21