@misc{KVANT_2019_3_a8,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2550--{\CYRM}2553,} {{\CYRF}2557--{\CYRF}2560}},
     journal = {Kvant},
     pages = {15--16},
     publisher = {mathdoc},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2019_3_a8/}
}