@article{JETPL.109.739, title = {}, author = {Mikheev, G. M. and Kogai, V. Ya. and , and , and , and , }, journal = {JETP Lett.}, volume = {109}, issue = {11}, pages = {704}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19110043}, note = {[Pisma v ZhETF 109, 739 (2019)]} }