@article{JETPL.105.600, title = {}, author = {, and Baksht, E. Kh. and , and , and Tarasenko, V. F.}, journal = {JETP Lett.}, volume = {105}, issue = {10}, pages = {641}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17100046}, note = {[Pisma v ZhETF 105, 600 (2017)]} }