@article{DAN_1973_208_1_a11,
     author = {A. V. Pogorelov},
     title = {A complete solution of {Hilbert{\textquoteright}s} fourth problem},
     journal = {Doklady Akademii Nauk},
     pages = {48--51},
     publisher = {mathdoc},
     volume = {208},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a11/}
}