@article{10_21136_CMJ_1957_100229,
     author = {Gregu\v{s}, Michal},
     title = {{\CYRO} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrn}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrk}{\cyrr}{\cyra}{\cyre}{\cyrv}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyra}{\cyrh} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrt}{\cyrr}{\cyre}{\cyrt}{\cyrsftsn}{\cyre}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {41--47},
     publisher = {mathdoc},
     volume = {07},
     number = {1},
     year = {1957},
     doi = {10.21136/CMJ.1957.100229},
     mrnumber = {0090729},
     zbl = {0089.29402},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100229/}
}