@misc{KVANT_2023_8_a6,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2758{\textendash}{\CYRM}2761,} {{\CYRF}2765{\textendash}{\CYRF}2768}},
     journal = {Kvant},
     pages = {15--17},
     publisher = {mathdoc},
     number = {8},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2023_8_a6/}
}