@article{10_21136_CMJ_1959_100387,
     author = {Kurzweil, Jaroslav},
     title = {{\CYRS}{\cyro}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}. {{\CYRCH}{\cyrl}{\cyre}{\cyrn}-{\cyrk}{\cyro}{\cyrr}{\cyrr}{\cyre}{\cyrs}{\cyrp}{\cyro}{\cyrn}{\cyrd}{\cyre}{\cyrn}{\cyrt}} {{\CYRCH}{\CYRS}{\CYRA}{\CYRN}} {{\CYRO}{\cyrt}{\cyra}{\cyrk}{\cyra}{\cyrr}} {{\CYRB}{\cyro}{\cyrr}{\cyru}{\cyrv}{\cyrk}{\cyra}} {\cyru}{\cyrd}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyre}{\cyrn} {\cyrg}{\cyro}{\cyrs}{\cyru}{\cyrd}{\cyra}{\cyrr}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyrr}{\cyre}{\cyrm}{\cyri}{\cyri} {\cyri}{\cyrm}{\cyre}{\cyrn}{\cyri} {{\CYRK}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyra}} {{\CYRG}{\cyro}{\cyrt}{\cyrt}{\cyrv}{\cyra}{\cyrl}{\cyrsftsn}{\cyrd}{\cyra}}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {631--634},
     publisher = {mathdoc},
     volume = {09},
     number = {4},
     year = {1959},
     doi = {10.21136/CMJ.1959.100387},
     zbl = {0087.00610},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1959.100387/}
}