@article{DAN_1973_210_6_a6,
     author = {A. V. Kuz'minykh},
     title = {The isoprojection property of the sphere},
     journal = {Doklady Akademii Nauk},
     pages = {1280--1283},
     publisher = {mathdoc},
     volume = {210},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_6_a6/}
}