@article{10_21136_CMJ_1958_100323,
     author = {Pt\'ak, Vlastimil and Sedl\'a\v{c}ek, Ji\v{r}{\'\i}},
     title = {{\CYRO}{\cyrb} {\cyri}{\cyrn}{\cyrd}{\cyre}{\cyrk}{\cyrs}{\cyre} {\cyri}{\cyrm}{\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyri}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrn}{\cyre}{\cyro}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrm}{\cyra}{\cyrt}{\cyrr}{\cyri}{\cyrc}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {496--501},
     year = {1958},
     volume = {8},
     number = {4},
     doi = {10.21136/CMJ.1958.100323},
     mrnumber = {0110645},
     zbl = {0082.24403},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1958.100323/}
}