@misc{MP_1936_1_6_a18,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {98--99},
     year = {1936},
     volume = {Ser. 1, 6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1936_1_6_a18/}
}