%0 Journal Article %A K. M. Belov %T Some remarks on the rigidity of surfaces of positive curvature with an edge %J Doklady Akademii Nauk %D 1960 %P 475-477 %V 131 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a1/ %G ru %F DAN_1960_131_3_a1