@article{MP_1959_a33,
     author = {N. M. Beskin},
     title = {{\CYRO} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrm} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyrn}{\cyri}{\cyrk}{\cyre} {{\CYRV}.} {{\CYRA}.} {{\CYRZH}{\cyra}{\cyrr}{\cyro}{\cyrv}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {293--295},
     publisher = {mathdoc},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1959_a33/}
}