@article{10_21136_CMJ_1955_100158,
     author = {Kurzweil, Jaroslav},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrv}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}} {\cyro}{\cyrb} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrd}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {435--438},
     publisher = {mathdoc},
     volume = {05},
     number = {3},
     year = {1955},
     doi = {10.21136/CMJ.1955.100158},
     zbl = {0068.30001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1955.100158/}
}