@misc{KVANT_2012_4_a25,
     title = {{\CYRK}{\cyro}{\cyrf}{\cyre} {\cyrs} {\cyrm}{\cyro}{\cyrl}{\cyro}{\cyrk}{\cyro}{\cyrm}},
     journal = {Kvant},
     pages = {66},
     year = {2012},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2012_4_a25/}
}