@article{DAN_1958_122_1_a3,
     author = {A. V. Pogorelov},
     title = {On the transformation of isometric surfaces},
     journal = {Doklady Akademii Nauk},
     pages = {20--21},
     publisher = {mathdoc},
     volume = {122},
     number = {1},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_1_a3/}
}