@article{MP_1937_a2,
     author = {D. Perepelkine},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyri}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyri}{\cyrk}{\cyro}{\cyrs}{\cyra}{\cyrerev}{\cyrd}{\cyrr}{\cyra} {\cyri}~{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyri}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrd}{\cyro}{\cyrd}{\cyre}{\cyrk}{\cyra}{\cyrerev}{\cyrd}{\cyrr}{\cyra}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {10--15},
     publisher = {mathdoc},
     year = {1937},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_a2/}
}