@misc{KVANT_2018_4_a11,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2506--{\CYRM}2509,} {{\CYRF}2513--{\CYRF}2516}},
     journal = {Kvant},
     pages = {10--11},
     publisher = {mathdoc},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2018_4_a11/}
}