@article{KVANT_2021_2_a25,
     author = {A. Rusanov},
     title = {{\CYRK}{\cyrr}{\cyri}{\cyrz}{\cyri}{\cyrs} {\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyra}},
     journal = {Kvant},
     pages = {65},
     publisher = {mathdoc},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2021_2_a25/}
}