@misc{KVANT_2018_1_a7,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2494{\textendash}{\CYRM}2497,} {{\CYRF}2501{\textendash}{\CYRF}2504}},
     journal = {Kvant},
     pages = {20--21},
     year = {2018},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2018_1_a7/}
}