@article{10_21136_CMJ_1968_100837,
     author = {Vaisman, Izu},
     title = {{\CYRK} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrishrt} {\cyrf}{\cyrl}{\cyra}{\cyrg}{\cyro}{\cyrv} {\cyrv} {\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {377--387},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1968},
     doi = {10.21136/CMJ.1968.100837},
     mrnumber = {0230242},
     zbl = {0155.31003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100837/}
}