@article{10_4064_sm_31_5_455_468,
     author = {{\CYRM}. {\CYRK}{\cyrr}{\cyra}{\cyrs}{\cyrn}{\cyro}{\cyrs}{\cyre}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt} and {\CYRE}. {\CYRL}{\cyri}{\cyrf}{\cyrsh}{\cyri}{\cyrc}},
     title = {{\CYRP}{\cyrr}{\cyri}{\cyrn}{\cyrc}{\cyri}{\cyrp} {\cyrs}{\cyrh}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyro}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh}},
     journal = {Studia Mathematica},
     pages = {455--468},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1968},
     doi = {10.4064/sm-31-5-455-468},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-31-5-455-468/}
}