@article{JETPL.108.57, title = {}, author = {Chuev, M. A. and , and , and , and , }, journal = {JETP Lett.}, volume = {108}, issue = {1}, pages = {59}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X18130118}, note = {[Pisma v ZhETF 108, 57 (2018)]} }