@article{JETPL.96.194, title = {}, author = {, and , and , and , and , and , and Korableva, S. L. and Tagirov, M. S.}, journal = {JETP Lett.}, volume = {96}, issue = {3}, pages = {181}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29873.shtml}, note = {[Pisma v ZhETF 96, 194 (2012)]} }