@article{JETPL.104.780, title = {}, author = {Danilov, P. A. and Zayarny, D. A. and Ionin, A. A. and Kudryashov, S. I. and , and Kuchmizhak, A. A. and , and , and Zhakhovsky, V. V. and Inogamov, N. A.}, journal = {JETP Lett.}, volume = {104}, issue = {11}, pages = {759}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16230041}, note = {[Pisma v ZhETF 104, 780 (2016)]} }