@article{JETPL.107.360, title = {}, author = {Lisin, V. N. and Shegeda, A. M. and , and Chukalina, E. P.}, journal = {JETP Lett.}, volume = {107}, issue = {6}, pages = {345}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18060036}, note = {[Pisma v ZhETF 107, 360 (2018)]} }