%0 Journal Article %A A. V. Pogorelov %T A priori estimates for radii of curvature of a convex surface %J Doklady Akademii Nauk %D 1967 %P 1267-1269 %V 173 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_173_6_a9/ %G ru %F DAN_1967_173_6_a9