@misc{KVANT_2022_3_a7,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2690{\textendash}{\CYRM}2693,} {{\CYRF}2697{\textendash}{\CYRF}2700}},
     journal = {Kvant},
     pages = {16--17},
     publisher = {mathdoc},
     number = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2022_3_a7/}
}