@article{KVANT_2008_3_a2, author = {A. Raigorodskii and O. Rubanov and V. Koshelev}, title = {{\CYRH}{\cyrr}{\cyro}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyra}}, journal = {Kvant}, pages = {13--22}, publisher = {mathdoc}, number = {3}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2008_3_a2/} }