@article{KVANT_2013_1_a30,
     author = {E. Epifanov},
     title = {{\CYRE}{\cyrshch}{\cyre} {\cyro}{\cyrd}{\cyrn}{\cyra} {\cyrd}{\cyre}{\cyrt}{\cyra}{\cyrl}{\cyrsftsn}},
     journal = {Kvant},
     pages = {1},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2013_1_a30/}
}