@misc{KVANT_2022_2_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2686{\textendash}{\CYRM}2689,} {{\CYRF}2693{\textendash}{\CYRF}2696}},
     journal = {Kvant},
     pages = {28--30},
     publisher = {mathdoc},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2022_2_a8/}
}