@misc{MP_1957_2_1_a3,
     title = {{\CYRR}{\cyre}{\cyrk}{\cyro}{\cyrm}{\cyre}{\cyrn}{\cyrd}{\cyra}{\cyrc}{\cyri}{\cyrya} {\cyrk}{\cyro}{\cyrn}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyri} {\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrr}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrm} {\cyrn}{\cyra}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrv}{\cyre}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}, {\cyro}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyrya}{\cyrshch}{\cyra}{\cyrya}{\cyrs}{\cyrya} {\cyrk}~{\cyrp}{\cyrr}{\cyre}{\cyrp}{\cyro}{\cyrd}{\cyra}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyryu} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyri} {\cyrv}~{\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyri}{\cyrh} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyrh} {({\CYRP}{\cyre}{\cyrr}{\cyre}{\cyrv}{\cyro}{\cyrd}} {\cyrs}~{\cyrf}{\cyrr}{\cyra}{\cyrn}{\cyrc}{\cyru}{\cyrz}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {{\CYRA}.} {{\CYRI}.~{\CYRM}{\cyra}{\cyrr}{\cyrk}{\cyru}{\cyrsh}{\cyre}{\cyrv}{\cyri}{\cyrch}{\cyra})}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {15--22},
     year = {1957},
     volume = {Ser. 2, 1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_2_1_a3/}
}