@article{JETPL.103.394, title = {}, author = {, and , and , and , and , and , and , and , and , and , and , and , and , and , and , and Tolstikhina, I. Yu. and , and , }, journal = {JETP Lett.}, volume = {103}, issue = {5}, pages = {}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1605012X}, note = {[Pisma v ZhETF 103, 394 (2016)]} }