@article{TRSPY_1962_63_a0,
     author = {A. D. Aleksandrov and V. A. Zalgaller},
     title = {Two-dimensional manifolds of bounded curvature {(Foundations} of the intrinsic geometry of surfaces)},
     journal = {Informatics and Automation},
     pages = {3--262},
     publisher = {mathdoc},
     volume = {63},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1962_63_a0/}
}