@misc{KVANT_2019_10_a6,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2578--{\CYRM}2581,} {{\CYRF}2585--{\CYRF}2588}},
     journal = {Kvant},
     pages = {17--19},
     publisher = {mathdoc},
     number = {10},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_10_a6/}
}