@article{JETPL.107.18, title = {}, author = {Danilov, P. A. and Saraeva, I. N. and Kudryashov, S. I. and , and Kuchmizhak, A. A. and Zhizhchenko, A. Yu. and , and , and Zayarny, D. A. and , and , }, journal = {JETP Lett.}, volume = {107}, issue = {1}, pages = {15}, year = {2018}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X18010046}, note = {[Pisma v ZhETF 107, 18 (2018)]} }