@misc{KVANT_2006_6_a14,
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}},
     journal = {Kvant},
     pages = {57--58},
     publisher = {mathdoc},
     number = {6},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2006_6_a14/}
}