@article{KVANT_2011_5_a35,
     author = {E. Epifanov},
     title = {{\CYRZ}{\cyra}{\cyrv}{\cyri}{\cyrt}{\cyro}{\cyrk}},
     journal = {Kvant},
     pages = {1},
     year = {2011},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2011_5_a35/}
}