@misc{KVANT_2021_5_a9,
     title = {{\CYRM}{\cyre}{\cyrh}{\cyra}{\cyrn}{\cyri}{\cyrz}{\cyrm}{\cyrery}  {{\CYRP}.{\CYRL}.{\CYRCH}{\cyre}{\cyrb}{\cyrery}{\cyrsh}{\cyryo}{\cyrv}{\cyra}}},
     journal = {Kvant},
     pages = {32--36},
     publisher = {mathdoc},
     number = {5},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_5_a9/}
}