@article{KVANT_2020_5_a1,
     author = {V. Kleptsyn},
     title = {{\CYRI}{\cyrg}{\cyrr}{\cyrery} {{\CYRD}{\cyrzh}{\cyro}{\cyrn}{\cyra}} {{\CYRK}{\cyro}{\cyrn}{\cyrv}{\cyre}{\cyrya}}},
     journal = {Kvant},
     pages = {10--14},
     publisher = {mathdoc},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_5_a1/}
}