@article{10_21136_CMJ_1983_101855,
     author = {Norkin, S. B.},
     title = {{\CYRO} {\cyrd}{\cyrv}{\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrn}{\cyrn}{\cyri}{\cyrh} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrishrt} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\cyrs} {\cyra}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri} {\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyrya}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri} {\cyri} {\cyrz}{\cyra}{\cyrp}{\cyra}{\cyrz}{\cyrd}{\cyrery}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre}{\cyrm}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {58--69},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1983},
     doi = {10.21136/CMJ.1983.101855},
     mrnumber = {687417},
     zbl = {0514.34057},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101855/}
}