@article{KVANT_2013_2_a8,
     author = {V. Ptushenko},
     title = {{\CYRM}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrl}{\cyri}{\cyrk}{\cyra}{\cyrya} {\cyrt}{\cyre}{\cyrn}{\cyrsftsn}},
     journal = {Kvant},
     pages = {43--44},
     publisher = {mathdoc},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2013_2_a8/}
}