@misc{KVANT_2019_12_a20,
     title = {{\CYRN}{\cyra}{\cyrp}{\cyre}{\cyrch}{\cyra}{\cyrt}{\cyra}{\cyrn}{\cyro} {\cyrv} 2019 {\cyrg}{\cyro}{\cyrd}{\cyru}},
     journal = {Kvant},
     pages = {62--64},
     publisher = {mathdoc},
     number = {12},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_12_a20/}
}