@article{KVANT_2009_3_a10,
     author = {A. Leonovich},
     title = {{\CYRP}{\cyro}{\cyrt}{\cyro}{\cyrk}{\cyri}},
     journal = {Kvant},
     pages = {32--33},
     publisher = {mathdoc},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2009_3_a10/}
}