@misc{MP_1937_1_10_a13,
     title = {{\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {60--64},
     year = {1937},
     volume = {Ser. 1, 10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_1_10_a13/}
}