@misc{10_21136_CMJ_1953_100065,
     title = {{\CYRI}. {{\CYRV}.} {{\CYRS}{\cyrt}{\cyra}{\cyrl}{\cyri}{\cyrn}}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {03},
     number = {1},
     year = {1953},
     doi = {10.21136/CMJ.1953.100065},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1953.100065/}
}