@article{10_4064_fm_68_1_61_86,
     author = {{\CYRV}. {\CYRA}{\cyrm}{\cyrs}{\cyrt}{\cyri}{\cyrs}{\cyrl}{\cyra}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYREREV}{\cyrf}{\cyrf}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyre} {R-{\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyra}} {\cyri} {\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrf}{\cyri}{\cyrn}{\cyri}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyrr}{\cyro}{\cyrd}{\cyro}{\cyrl}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrr}{\cyre}{\cyrk}{\cyru}{\cyrr}{\cyrs}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyri}{\cyre}{\cyrr}{\cyra}{\cyrr}{\cyrh}{\cyri}{\cyrishrt}},
     journal = {Fundamenta Mathematicae},
     pages = {61--86},
     publisher = {mathdoc},
     volume = {68},
     number = {1},
     year = {1970},
     doi = {10.4064/fm-68-1-61-86},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-68-1-61-86/}
}