@article{ZNSL_1968_10_a0,
     author = {Yu. D. Burago},
     title = {Isoperimetric type inequalities in the theory of surfaces of bounded exterior curvature},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {3--202},
     publisher = {mathdoc},
     volume = {10},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1968_10_a0/}
}