@article{MP_2021_3_27_a3,
     author = {E. B. Vinberg},
     title = {{\CYRK} {\cyrp}{\cyro}{\cyrn}{\cyrya}{\cyrt}{\cyri}{\cyryu} {\cyrd}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyra}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {24--28},
     year = {2021},
     volume = {Ser. 3, 27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a3/}
}