@article{CMUC_1972__13_4_a11,
     author = {\v{C}ernjavskaja, I. A.},
     title = {{\CYRO}{\cyrb} {\cyra}{\cyrn}{\cyra}{\cyrl}{\cyro}{\cyrg}{\cyre} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyro}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRN}.} {{\CYRV}.} {{\CYRE}{\cyrf}{\cyrsh}{\cyro}{\cyrv}{\cyra}} {\cyrd}{\cyrd}{\cyrya} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {727--743},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1972},
     mrnumber = {0319075},
     zbl = {0248.53009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972__13_4_a11/}
}