@misc{MP_2023_3_30_a21,
     title = {{\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyri}{\cyrz} {\cyrp}{\cyrr}{\cyro}{\cyrsh}{\cyrl}{\cyrery}{\cyrh} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrs}{\cyrk}{\cyro}{\cyrv}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {238--240},
     year = {2023},
     volume = {Ser. 3, 30},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2023_3_30_a21/}
}