@article{JETPL.93.826, title = {}, author = {Rosanov, N. N. and , and , and , and , }, journal = {JETP Lett.}, volume = {93}, issue = {12}, pages = {743}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29417.shtml}, note = {[Pisma v ZhETF 93, 826 (2011)]} }