@article{JETPL.93.217, title = {}, author = {, and , and , and , and Tayurskii, D. A.}, journal = {JETP Lett.}, volume = {93}, issue = {4}, pages = {199}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29159.shtml}, note = {[Pisma v ZhETF 93, 217 (2011)]} }