@article{KVANT_2022_7_a21,
     author = {E. Epifanov},
     title = {{\CYRISHRT}{\cyro}{\cyrg}{\cyra}-{\cyru}{\cyrp}{\cyra}{\cyrk}{\cyro}{\cyrv}{\cyrk}{\cyra}},
     journal = {Kvant},
     pages = {1},
     publisher = {mathdoc},
     number = {7},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2022_7_a21/}
}