@article{JETPL.96.252, title = {}, author = {Averkiev, N. S. and Baryshnikov, K. A. and , and Gudkov, V. V. and Zhevstovskikh, I. V. and , and Monakhov, A. M. and Sarychev, M. N. and , }, journal = {JETP Lett.}, volume = {96}, issue = {4}, pages = {236}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29898.shtml}, note = {[Pisma v ZhETF 96, 252 (2012)]} }