@article{KVANT_2020_5_a4,
     author = {S. Dvoryaninov},
     title = {{\CYRP}{\cyra}{\cyrr}{\cyra}{\cyrd}{\cyro}{\cyrk}{\cyrs} {{\CYRT}{\cyro}{\cyrl}{\cyri}} {{\CYRV}{\cyrt}{\cyru}{\cyrl}{\cyrk}{\cyri}{\cyrn}{\cyra}}},
     journal = {Kvant},
     pages = {41--45},
     publisher = {mathdoc},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_5_a4/}
}