@misc{KVANT_2019_12_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2586--{\CYRM}2589,} {{\CYRF}2593--{\CYRF}2596}},
     journal = {Kvant},
     pages = {12--13},
     publisher = {mathdoc},
     number = {12},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_12_a8/}
}