%0 Journal Article %A I. Ya. Bakelman %T Definition of a convex surface by a given function of its main curvatures %J Doklady Akademii Nauk %D 1958 %P 215-218 %V 123 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_123_2_a0/ %G ru %F DAN_1958_123_2_a0