@misc{MP_1957_2_1_a29,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrp}{\cyro} {\cyrv}{\cyrery}{\cyrs}{\cyrsh}{\cyre}{\cyrishrt} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyre}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {224--227},
     year = {1957},
     volume = {Ser. 2, 1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_2_1_a29/}
}