@article{KVANT_2012_1_a5,
     author = {N. Rostovtsev and A. Sedov},
     title = {{\CYRK}{\cyra}{\cyrk} {\cyru}{\cyrv}{\cyri}{\cyrd}{\cyre}{\cyrt}{\cyrsftsn} {\cyrp}{\cyrya}{\cyrt}{\cyrn}{\cyro} {{\CYRP}{\cyru}{\cyra}{\cyrs}{\cyrs}{\cyro}{\cyrn}{\cyra}}},
     journal = {Kvant},
     pages = {38--39},
     publisher = {mathdoc},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2012_1_a5/}
}