@misc{KVANT_2007_6_a16,
     title = {{\guillemotleft}{\CYRK}{\cyrv}{\cyra}{\cyrn}{\cyrt}{\guillemotright} {\cyru}{\cyrl}{\cyrery}{\cyrb}{\cyra}{\cyre}{\cyrt}{\cyrs}{\cyrya}},
     journal = {Kvant},
     pages = {25},
     publisher = {mathdoc},
     number = {6},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2007_6_a16/}
}