@article{JETPL.94.318, title = {}, author = {Kuz?menko, A. M. and Mukhin, A. A. and Ivanov, V. Yu. and , }, journal = {JETP Lett.}, volume = {94}, issue = {4}, pages = {294}, year = {2011}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29493.shtml}, note = {[Pisma v ZhETF 94, 318 (2011)]} }