@article{MP_1961_2_6_a6,
     author = {Yu. M. Bezborodov and B. V. Orlov},
     title = {{\CYRM}{\cyra}{\cyrsh}{\cyri}{\cyrn}{\cyra} {\cyri}{\cyrg}{\cyrr}{\cyra}{\cyre}{\cyrt} {\cyrv}~{\cyrsh}{\cyra}{\cyrh}{\cyrm}{\cyra}{\cyrt}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {139--164},
     year = {1961},
     volume = {Ser. 2, 6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1961_2_6_a6/}
}