@misc{10_21136_CMJ_1952_100043,
     title = {{\CYRS}{\cyro}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {189--190},
     year = {1952},
     volume = {2},
     number = {2},
     doi = {10.21136/CMJ.1952.100043},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1952.100043/}
}