@article{JETPL.99.169, title = {}, author = {, and , and , and , and , and , and Korableva, S. L. and Tagirov, M. S.}, journal = {JETP Lett.}, volume = {99}, issue = {3}, pages = {149}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14030084}, note = {[Pisma v ZhETF 99, 169 (2014)]} }