@article{KVANT_2009_4_a31,
     author = {E. Gik},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {{\CYRK}{\cyri}{\cyrm}{\cyra}}},
     journal = {Kvant},
     pages = {65},
     publisher = {mathdoc},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2009_4_a31/}
}