@article{MS_1952__72_3_a2,
     author = {{\CYRM}.{\CYRL}. {\CYRR}{\cyra}{\cyrs}{\cyru}{\cyrl}{\cyro}{\cyrv}},
     title = {{\CYRI}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrv}{\cyrery}{\cyrch}{\cyre}{\cyrt}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrs}{\cyrm}{\cyre}{\cyrsh}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyrd}{\cyrl}{\cyrya} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {509--528},
     publisher = {mathdoc},
     volume = {72},
     number = {3},
     year = {1952},
     zbl = {0048.33201},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1952__72_3_a2/}
}