@article{CMUC_1979__20_4_a12,
     author = {Demuth, Osvald},
     title = {{\CYRO}{\cyrb} {\cyri}{\cyrs}{\cyrp}{\cyro}{\cyrl}{\cyrsftsn}{\cyrz}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyri} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyra} {{\CYRR}{\cyri}{\cyrm}{\cyra}{\cyrn}{\cyra}-{\CYRS}{\cyrt}{\cyri}{\cyrl}{\cyrt}{\cyrsftsn}{\cyre}{\cyrs}{\cyra}} {\cyrv} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyra} {{\CYRL}{\cyre}{\cyrb}{\cyre}{\cyrg}{\cyra}} {\cyri} {\cyre}{\cyrg}{\cyro} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {781--793},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1979},
     mrnumber = {555190},
     zbl = {0431.03038},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_4_a12/}
}