@misc{KVANT_2021_4_a20,
     title = {{\CYRV}{\cyrr}{\cyre}{\cyrm}{\cyrya} {\cyrp}{\cyro}-{\cyrv}{\cyre}{\cyrn}{\cyrg}{\cyre}{\cyrr}{\cyrs}{\cyrk}{\cyri}},
     journal = {Kvant},
     pages = {1},
     year = {2021},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_4_a20/}
}