@article{JETPL.109.75, title = {}, author = {Trubilko, A. I. and Basharov, A. M.}, journal = {JETP Lett.}, volume = {109}, issue = {2}, pages = {77}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19020012}, note = {[Pisma v ZhETF 109, 75 (2019)]} }