@article{KVANT_2009_5_a33,
     author = {E. Epifanov},
     title = {{\CYRB}{\cyrr}{\cyru}{\cyrs}{\cyro}{\cyrch}{\cyrk}{\cyri}},
     journal = {Kvant},
     pages = {1},
     year = {2009},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2009_5_a33/}
}