@article{KVANT_2021_9_a7,
     author = {S. Dvoryaninov},
     title = {{\CYRCH}{\cyrt}{\cyro} {\cyrt}{\cyra}{\cyrk}{\cyro}{\cyre} {\cyrsh}{\cyrp}{\cyru}{\cyrn}{\cyrt}{\cyri}{\cyrk}?},
     journal = {Kvant},
     pages = {24--25},
     year = {2021},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_9_a7/}
}