@article{10_4064_sm_44_5_417_427,
     author = {{\CYRP}. {\CYRU}{\cyrl}{\cyrsftsn}{\cyrya}{\cyrn}{\cyro}{\cyrv}},
     title = {{\CYRO} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra} {\ensuremath{\varphi}(L)}},
     journal = {Studia Mathematica},
     pages = {417--427},
     publisher = {mathdoc},
     volume = {44},
     number = {5},
     year = {1972},
     doi = {10.4064/sm-44-5-417-427},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-44-5-417-427/}
}