@misc{KVANT_2017_12_a5,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2490--{\CYRM}2493,} {{\CYRF}2497--{\CYRF}2500}},
     journal = {Kvant},
     pages = {12--13},
     publisher = {mathdoc},
     number = {12},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2017_12_a5/}
}