@misc{KVANT_2020_11_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2626--{\CYRM}2633,} {{\CYRF}2633--{\CYRF}2640}},
     journal = {Kvant},
     pages = {13--16},
     publisher = {mathdoc},
     number = {11},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_11_a8/}
}