@misc{KVANT_2019_12_a17,
     title = {XLI {{\CYRT}{\cyru}{\cyrr}{\cyrn}{\cyri}{\cyrr}} {\cyrg}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyro}{\cyrv}},
     journal = {Kvant},
     pages = {53--56},
     publisher = {mathdoc},
     number = {12},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_12_a17/}
}