@article{JETPL.106.275, title = {}, author = {, and , and , and Golovenchits, E. I. and , and , and Sanina, V. A. and , }, journal = {JETP Lett.}, volume = {106}, issue = {5}, pages = {295}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17170039}, note = {[Pisma v ZhETF 106, 275 (2017)]} }