@article{MP_1957_a26,
     author = {N. M. Beskin},
     title = {{\CYRO} {\cyrs}{\cyre}{\cyrr}{\cyri}{\cyri} {``{\CYRP}{\cyro}{\cyrp}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyre}} {\cyrl}{\cyre}{\cyrk}{\cyrc}{\cyri}{\cyri} {\cyrp}{\cyro} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyre}''},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {275--290},
     publisher = {mathdoc},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_a26/}
}