@article{JETPL.93.299, title = {}, author = {Larionov, A. V. and , and , }, journal = {JETP Lett.}, volume = {93}, issue = {5}, pages = {269}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29171.shtml}, note = {[Pisma v ZhETF 93, 299 (2011)]} }