@article{JETPL.93.437, title = {}, author = {Aleshkin, V. Ya. and , and , and , and , and , and , and , and , }, journal = {JETP Lett.}, volume = {93}, issue = {7}, pages = {394}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29231.shtml}, note = {[Pisma v ZhETF 93, 437 (2011)]} }