@article{KVANT_2022_10_a3, author = {A. Ivanov and D. Grozev}, title = {{\CYRB}{\cyre}{\cyrs}{\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrc}{\cyre}{\cyrl}{\cyrery}{\cyre}, {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya} {{\CYRM}{\cyryo}{\cyrb}{\cyri}{\cyru}{\cyrs}{\cyra}} {\cyri} {\cyrs}{\cyrv}{\cyre}{\cyrr}{\cyrt}{\cyrk}{\cyra} {{\CYRD}{\cyri}{\cyrr}{\cyri}{\cyrh}{\cyrl}{\cyre}}}, journal = {Kvant}, pages = {26--29}, publisher = {mathdoc}, number = {10}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2022_10_a3/} }