@article{KVANT_2011_1_a7, author = {A. Andreev and A. Panov}, title = {{\CYRK}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyra} {{\CYRK}{\cyre}{\cyrt}{\cyrl}{\cyre}}}, journal = {Kvant}, pages = {39--41}, publisher = {mathdoc}, number = {1}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2011_1_a7/} }