@misc{KVANT_2021_11_a7,
     title = {{\CYRK}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrs}{\cyre}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Kvant},
     pages = {32--33},
     publisher = {mathdoc},
     number = {11},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_11_a7/}
}