@article{MS_1953__74_2_a1,
     author = {{\CYRA}.{\CYRA}. {\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}},
     title = {{\CYRO} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyri}{\cyrf}{\cyri}{\cyrk}{\cyra}{\cyrc}{\cyri}{\cyri} $R$-{\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {255--262},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1953},
     zbl = {0050.05503},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1953__74_2_a1/}
}