@misc{KVANT_2012_1_a19,
     title = {{\CYRS}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyri} $n$ {\cyri} $n$-{\cyre} {\cyrs}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyri}},
     journal = {Kvant},
     pages = {61--62},
     year = {2012},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2012_1_a19/}
}