@misc{KVANT_2023_9_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2762{\textendash}{\CYRM}2765,} {{\CYRF}2769{\textendash}{\CYRF}2772}},
     journal = {Kvant},
     pages = {20--22},
     publisher = {mathdoc},
     number = {9},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2023_9_a8/}
}