@article{DAN_1957_113_2_a35,
     author = {M. K. Fage},
     title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyro} {\cyrv}~{\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyryu}},
     journal = {Doklady Akademii Nauk},
     pages = {248},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a35/}
}