@article{KVANT_2020_3_a21,
     author = {A. Rusanov},
     title = {{\CYRP}{\cyrr}{\cyra}{\cyrz}{\cyrd}{\cyrn}{\cyri}{\cyrk} {\cyrv}{\cyre}{\cyrs}{\cyrn}{\cyrery}},
     journal = {Kvant},
     pages = {65},
     publisher = {mathdoc},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_3_a21/}
}