@article{DAN_1958_123_2_a0,
     author = {I. Ya. Bakelman},
     title = {Definition of a convex surface by a given function of its main curvatures},
     journal = {Doklady Akademii Nauk},
     pages = {215--218},
     publisher = {mathdoc},
     volume = {123},
     number = {2},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_2_a0/}
}