@article{JETPL.100.332, title = {}, author = {, and , and , and Kudryashov, S. I. and , and , and , and Khmel?nitskii, R. A. and , }, journal = {JETP Lett.}, volume = {100}, issue = {5}, pages = {295}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14170020}, note = {[Pisma v ZhETF 100, 332 (2014)]} }