@misc{KVANT_2020_5_a14,
     title = {{\CYRR}{\cyra}{\cyrb}{\cyro}{\cyrt}{\cyra} {\cyrn}{\cyra}{\cyrd} {\cyro}{\cyrsh}{\cyri}{\cyrb}{\cyrk}{\cyra}{\cyrm}{\cyri}},
     journal = {Kvant},
     pages = {54--55},
     publisher = {mathdoc},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_5_a14/}
}