@article{MS_1956__81_3_a0,
     author = {{\CYRT}.{\CYRA}. {\CYRSH}{\cyru}{\cyrl}{\cyrsftsn}{\cyrm}{\cyra}{\cyrn}},
     title = {{\CYRT}{\cyrr}{\cyri}{\cyrzh}{\cyrd}{\cyrery} {\cyrs}{\cyro}{\cyrp}{\cyrr}{\cyrya}{\cyrzh}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} $R$. {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre}} {\cyrp}{\cyrr}{\cyre}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} $R$. {{\CYRR}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyrya}{\cyre}{\cyrm}{\cyrery}{\cyre}} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyrery} $R$},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {293--314},
     publisher = {mathdoc},
     volume = {81},
     number = {3},
     year = {1956},
     zbl = {0075.30901},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1956__81_3_a0/}
}