@misc{KVANT_2018_3_a12,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} 25{\textendash}28},
     journal = {Kvant},
     pages = {28},
     year = {2018},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2018_3_a12/}
}