@article{10_4064_cm_31_2_157_159,
     author = {{\CYRE}. {\CYRA}. {\CYRP}{\cyra}{\cyrl}{\cyryu}{\cyrt}{\cyri}{\cyrn}},
     title = {O{\cyrb} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl} {\cyrs}{\cyrch}{\cyryo}{\cyrt}{\cyrn}{\cyro} {\cyrk}{\cyra}{\cyrt}{\cyre}{\cyrg}{\cyro}{\cyrr}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyrishrt}},
     journal = {Colloquium Mathematicum},
     pages = {157--159},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1974},
     doi = {10.4064/cm-31-2-157-159},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-31-2-157-159/}
}