@article{MP_1936_1_7_a7,
     author = {A. G. Shkolnik},
     title = {{\CYRC}{\cyri}{\cyrl}{\cyri}{\cyrn}{\cyrd}{\cyrr} {{\CYRSH}{\cyrv}{\cyra}{\cyrr}{\cyrc}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {37--41},
     year = {1936},
     volume = {Ser. 1, 7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1936_1_7_a7/}
}