@article{JETPL.96.665, title = {}, author = {, and , and Temiryazeva, M. P. and , }, journal = {JETP Lett.}, volume = {96}, issue = {9}, pages = {596}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_30019.shtml}, note = {[Pisma v ZhETF 96, 665 (2012)]} }