@article{JETPL.110.323, title = {}, author = {, and , and , and , and Li, H. and , and , and , and , and , and , and , and , and , and , and , and , }, journal = {JETP Lett.}, volume = {110}, issue = {5}, pages = {336}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19170065}, note = {[Pisma v ZhETF 110, 323 (2019)]} }