@article{KVANT_2012_3_a30,
     author = {E. Epifanov},
     title = {{\CYRP}{\cyrya}{\cyrt}{\cyrsftsn} {\cyrt}{\cyre}{\cyrt}{\cyrr}{\cyra}{\cyrm}{\cyri}{\cyrn}{\cyro}},
     journal = {Kvant},
     pages = {1},
     publisher = {mathdoc},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2012_3_a30/}
}