@article{KVANT_2011_1_a4, author = {E. Sokolov}, title = {{\CYRS}{\cyrk}{\cyro}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyri} {\cyru}{\cyrs}{\cyrk}{\cyro}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyre}}, journal = {Kvant}, pages = {34--35}, publisher = {mathdoc}, number = {1}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2011_1_a4/} }