@misc{KVANT_2006_3_a20,
     title = {{\CYRK}{\cyra}{\cyrp}{\cyrr}{\cyri}{\cyrz}{\cyrn}{\cyrery}{\cyre} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyra}},
     journal = {Kvant},
     pages = {61},
     publisher = {mathdoc},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2006_3_a20/}
}