@article{KVANT_2019_6_a19,
     author = {A. Rusanov},
     title = {{\CYRCH}{\cyre}{\cyrm}{\cyrp}{\cyri}{\cyro}{\cyrn}{\cyrs}{\cyrk}{\cyra}{\CYRYA} {\cyri}{\cyrg}{\cyrr}{\cyra}},
     journal = {Kvant},
     pages = {49},
     publisher = {mathdoc},
     number = {6},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_6_a19/}
}