@article{10_21136_CMJ_1954_100099,
     author = {Pt\'ak, Vlastimil},
     title = {{\CYRK}{\cyro}{\cyrm}{\cyrp}{\cyra}{\cyrk}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrv} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrh} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {51--74},
     year = {1954},
     volume = {4},
     number = {1},
     doi = {10.21136/CMJ.1954.100099},
     mrnumber = {0079239},
     zbl = {0057.09401},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1954.100099/}
}