@article{DAN_1976_226_1_a10,
     author = {A. V. Kuz'minykh},
     title = {On a characteristic property of isometric mappings},
     journal = {Doklady Akademii Nauk},
     pages = {48--50},
     publisher = {mathdoc},
     volume = {226},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_1_a10/}
}