@misc{MP_1937_a9,
     title = {{\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {48--50},
     publisher = {mathdoc},
     year = {1937},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_a9/}
}