@article{MP_2021_3_27_a18, author = {A. Ya. Kanel-Belov and I. V. Mitrofanov}, 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 = {249--269}, year = {2021}, volume = {Ser. 3, 27}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_2021_3_27_a18/} }