@article{JETPL.105.693, title = {}, author = {, and , and , and Kudryashov, S. I. and , and , and , and Saraeva, I. N. and , and , }, journal = {JETP Lett.}, volume = {105}, issue = {11}, pages = {727}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1711008X}, note = {[Pisma v ZhETF 105, 693 (2017)]} }