@article{JETPL.93.134, title = {}, author = {, and Andrianov, A. V. and , and , and , and , and , and , and , }, journal = {JETP Lett.}, volume = {93}, issue = {3}, pages = {119}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29141.shtml}, note = {[Pisma v ZhETF 93, 134 (2011)]} }