@misc{KVANT_2018_6_a4,
     title = {{\CYRS}{\cyre}{\cyrr}{\cyrg}{\cyre}{\cyrishrt} {{\CYRP}{\cyre}{\cyrt}{\cyrr}{\cyro}{\cyrv}{\cyri}{\cyrch}} {{\CYRN}{\cyro}{\cyrv}{\cyri}{\cyrk}{\cyro}{\cyrv}} ({\cyrk} 80-{\cyrl}{\cyre}{\cyrt}{\cyri}{\cyryu} {\cyrs}{\cyro} {\cyrd}{\cyrn}{\cyrya} {\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya})},
     journal = {Kvant},
     pages = {18--21},
     publisher = {mathdoc},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2018_6_a4/}
}