@article{KVANT_2014_5_a9, author = {E. Sokolov}, title = {{\CYRF}{\cyri}{\cyrz}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre} {\cyrs}{\cyru}{\cyrd}{\cyro}{\cyrk}{\cyru}}, journal = {Kvant}, pages = {44--47 50}, publisher = {mathdoc}, number = {5}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2014_5_a9/} }