@misc{MP_1957_2_1_a1,
     title = {{\CYRP}{\cyra}{\cyrm}{\cyrya}{\cyrt}{\cyri} {{\CYRR}{\cyro}{\cyrs}{\cyrt}{\cyri}{\cyrs}{\cyrl}{\cyra}{\cyrv}{\cyra}} {{\CYRN}{\cyri}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyre}{\cyrv}{\cyri}{\cyrch}{\cyra}} {{\CYRB}{\cyro}{\cyrn}{\cyrch}{\cyrk}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro},} {\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyra} {\cyrp}{\cyre}{\cyrr}{\cyrv}{\cyro}{\cyrishrt} {\cyrs}{\cyre}{\cyrr}{\cyri}{\cyri} {\cyrs}{\cyrb}{\cyro}{\cyrr}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv} {{\textquotedblleft}{\CYRM}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre}} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrv}{\cyre}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre}{\textquotedblright}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {7--8},
     year = {1957},
     volume = {Ser. 2, 1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_2_1_a1/}
}