@article{JETPL.98.871, title = {}, author = {Sazonov, S. V. and , }, journal = {JETP Lett.}, volume = {98}, issue = {12}, pages = {773}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/0/article_30574.shtml}, note = {[Pisma v ZhETF 98, 871 (2013)]} }