@article{JETPL.110.3, title = {}, author = {Braguta, V. V. and Kotov, A. Yu. and , }, journal = {JETP Lett.}, volume = {110}, issue = {1}, pages = {1}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19130010}, note = {[Pisma v ZhETF 110, 3 (2019)]} }