@article{KVANT_2023_6_a4, author = {M. Didin}, title = {{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd} {\cyrs}{\cyrt}{\cyri}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrk}}, journal = {Kvant}, pages = {45--49}, publisher = {mathdoc}, number = {6}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2023_6_a4/} }