@article{KVANT_2020_7_a20, author = {E. Epifanov}, title = {{\CYRP}{\cyra}{\cyrr}{\cyra}{\cyrl}{\cyrl}{\cyre}{\cyrl}{\cyre}{\cyrp}{\cyri}{\cyrp}{\cyre}{\cyrd} {\cyrs}{\cyro}{\cyrm}{\cyra}}, journal = {Kvant}, pages = {1}, year = {2020}, number = {7}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_7_a20/} }