@article{JETPL.95.534, title = {}, author = {, and Mamin, G. V. and Orlinskii, S. B. and Bundakova, A. P. and Baranov, P. G.}, journal = {JETP Lett.}, volume = {95}, issue = {9}, pages = {471}, year = {2012}, doi = {}, url = {http://jetpletters.ru/ps/0/article_29698.shtml}, note = {[Pisma v ZhETF 95, 534 (2012)]} }