@misc{MP_1937_a10,
     title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyra} {\cyrch}{\cyri}{\cyrt}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyre}{\cyrishrt}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {51--53},
     publisher = {mathdoc},
     year = {1937},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_a10/}
}