@misc{KVANT_2020_4_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2598{\textendash}{\CYRM}2601,} {{\CYRF}2605{\textendash}{\CYRF}2608}},
     journal = {Kvant},
     pages = {16--17},
     publisher = {mathdoc},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_4_a8/}
}