@article{MP_2021_3_27_a2,
     author = {S. E. Rukshin},
     title = {{\CYRP}{\cyra}{\cyrm}{\cyrya}{\cyrt}{\cyri} {{\CYRV}{\cyri}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyra}} {{\CYRA}{\cyrb}{\cyrr}{\cyra}{\cyrm}{\cyro}{\cyrv}{\cyri}{\cyrch}{\cyra}} {{\CYRZ}{\cyra}{\cyrl}{\cyrg}{\cyra}{\cyrl}{\cyrl}{\cyre}{\cyrr}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {12--21},
     year = {2021},
     volume = {Ser. 3, 27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a2/}
}