@misc{KVANT_2009_4_a15,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2139{\textendash}{\CYRM}2145,} {{\CYRF}2145{\textendash}{\CYRF}2152}},
     journal = {Kvant},
     pages = {20--21},
     publisher = {mathdoc},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2009_4_a15/}
}