@article{JETPL.108.520, title = {}, author = {Mantsevich, V. N. and Maslova, N. S. and , }, journal = {JETP Lett.}, volume = {108}, issue = {7}, pages = {485}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X18190128}, note = {[Pisma v ZhETF 108, 520 (2018)]} }