@misc{10_21136_CMJ_1956_100185,
     title = {{\CYRS}{\cyro}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {140--144},
     publisher = {mathdoc},
     volume = {06},
     number = {1},
     year = {1956},
     doi = {10.21136/CMJ.1956.100185},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1956.100185/}
}