@article{JETPL.109.677, title = {}, author = {Wang, H. and Tan, Q. and , }, journal = {JETP Lett.}, volume = {109}, issue = {10}, pages = {652}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19100060}, note = {[Pisma v ZhETF 109, 677 (2019)]} }