@misc{KVANT_2022_11_a15, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {59--60}, year = {2022}, number = {11}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2022_11_a15/} }