@misc{KVANT_2020_11_a11,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} 9{\textendash}16},
     journal = {Kvant},
     pages = {30--31},
     year = {2020},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2020_11_a11/}
}