@article{TRSPY_1965_76_a12,
     author = {Yu. D. Burago},
     title = {The closure of a~class of manifolds with bounded curavature},
     journal = {Informatics and Automation},
     pages = {141--147},
     publisher = {mathdoc},
     volume = {76},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_76_a12/}
}