%0 Journal Article %A Yu. D. Burago %T Isoperimetric type inequalities in the theory of surfaces of bounded exterior curvature %J Zapiski Nauchnykh Seminarov POMI %D 1968 %P 3-202 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1968_10_a0/ %G ru %F ZNSL_1968_10_a0