@article{JETPL.105.668, title = {}, author = {Chuev, M. A. and , and , and , }, journal = {JETP Lett.}, volume = {105}, issue = {11}, pages = {700}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17110030}, note = {[Pisma v ZhETF 105, 668 (2017)]} }