@article{JETPL.94.513, title = {}, author = {, and , and Agladze, K. I.}, journal = {JETP Lett.}, volume = {94}, issue = {6}, pages = {477}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29531.shtml}, note = {[Pisma v ZhETF 94, 513 (2011)]} }