@article{10_4064_cm_5_2_216_222,
     author = {{\CYRO}. {\CYRO}{\cyrl}{\cyre}{\cyrishrt}{\cyrn}{\cyri}{\cyrk}},
     title = {{\CYRO}{\cyrb} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrs} {\cyrch}{\cyra}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrm}{\cyri}, {\cyrs}{\cyro}{\cyrd}{\cyre}{\cyrr}{\cyrzh}{\cyra}{\cyrshch}{\cyri}{\cyrh} {\cyrm}{\cyra}{\cyrl}{\cyrery}{\cyrishrt} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrm}{\cyre}{\cyrt}{\cyrr} {\cyrp}{\cyrr}{\cyri} {\cyrs}{\cyrt}{\cyra}{\cyrr}{\cyrsh}{\cyri}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh}},
     journal = {Colloquium Mathematicum},
     pages = {216--222},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1957},
     doi = {10.4064/cm-5-2-216-222},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-5-2-216-222/}
}