@article{CMUC_1976__17_4_a1,
     author = {Demuth, Osvald},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyrya}{\cyrh} {\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrerev}{\cyrf}{\cyrf}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv} {\cyrn}{\cyra}{\cyrd} {\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrr}{\cyre}{\cyrk}{\cyru}{\cyrr}{\cyrs}{\cyri}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya}{\cyrm}{\cyri} {\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrd}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {633--646},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1976},
     mrnumber = {0434791},
     zbl = {0345.02025},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976__17_4_a1/}
}