@misc{KVANT_2007_5_a19,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}},
     journal = {Kvant},
     pages = {58},
     year = {2007},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2007_5_a19/}
}