@article{JETPL.97.549, title = {}, author = {, and Kamashev, A. A. and , and Garifullin, I. A. and , and , and , and , and , }, journal = {JETP Lett.}, volume = {97}, issue = {8}, pages = {478}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13080092}, note = {[Pisma v ZhETF 97, 549 (2013)]} }