@article{10_21136_CMJ_1960_100409,
     author = {Pr\'ager, Milan},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyri}{\cyrn}{\cyrc}{\cyri}{\cyrp}{\cyre} {\cyrs}{\cyrh}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrv} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre} {{\CYRG}{\cyri}{\cyrl}{\cyrsftsn}{\cyrb}{\cyre}{\cyrr}{\cyrt}{\cyra}}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {271--282},
     year = {1960},
     volume = {10},
     number = {2},
     doi = {10.21136/CMJ.1960.100409},
     mrnumber = {0116198},
     zbl = {0090.08902},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100409/}
}