@article{JETPL.110.607, title = {}, author = {Delev, V. A. and , and Scaldin, O. A. and , and Ekomasov, E. G.}, journal = {JETP Lett.}, volume = {110}, issue = {9}, pages = {607}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19210070}, note = {[Pisma v ZhETF 110, 607 (2019)]} }