@article{KVANT_2020_9_a1,
     author = {A. Zaslavskii and V. Protasov},
     title = {{\CYRK}{\cyra}{\cyrk} {\cyrv}{\cyrery}{\cyrishrt}{\cyrt}{\cyri} {\cyri}{\cyrz} {\cyrl}{\cyre}{\cyrs}{\cyra}?},
     journal = {Kvant},
     pages = {10--17},
     year = {2020},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_9_a1/}
}