@article{JETPL.94.151, title = {}, author = {Rodyakina, E. E. and , and Latyshev, A. V.}, journal = {JETP Lett.}, volume = {94}, issue = {2}, pages = {147}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29449.shtml}, note = {[Pisma v ZhETF 94, 151 (2011)]} }