@article{10_4064_fm_101_3_171_180,
     author = {{\CYRL}. {\CYRG}{\cyru}{\cyrr}{\cyrn}{\cyre}{\cyrv}{\cyri}{\cyrch}{\cyri} and {\CYRG}. {\CYRS}{\cyrk}{\cyro}{\cyrr}{\cyrd}{\cyre}{\cyrv}},
     title = {{\CYRO} {\cyrs}{\cyro}{\cyrv}{\cyrp}{\cyra}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrt}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Fundamenta Mathematicae},
     pages = {171--180},
     publisher = {mathdoc},
     volume = {101},
     number = {3},
     year = {1978},
     doi = {10.4064/fm-101-3-171-180},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-101-3-171-180/}
}