@article{JETPL.106.459, title = {}, author = {Doronin, I. V. and Pukhov, A. A. and Vinogradov, A. P.}, journal = {JETP Lett.}, volume = {106}, issue = {7}, pages = {477}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17190110}, note = {[Pisma v ZhETF 106, 459 (2017)]} }