@article{10_21136_CMJ_1952_100050,
     author = {Pt\'ak, Vlastimil},
     title = {{\CYRO} {\cyrv}{\cyrk}{\cyrl}{\cyryu}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrs}{\cyre}{\cyrm}{\cyri}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {247--271},
     publisher = {mathdoc},
     volume = {02},
     number = {3},
     year = {1952},
     doi = {10.21136/CMJ.1952.100050},
     mrnumber = {0059901},
     zbl = {0052.25802},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1952.100050/}
}