@article{DAN_1974_219_1_a0,
     author = {A. D. Aleksandrov},
     title = {On the foundations of the geometry of {space-time.~I,} {II}},
     journal = {Doklady Akademii Nauk},
     pages = {11--14},
     publisher = {mathdoc},
     volume = {219},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_1_a0/}
}