@article{JETPL.103.767, title = {}, author = {Sluchanko, N. E. and Azarevich, A. N. and , and Bogach, A. V. and Gavrilkin, S. Yu. and Glushkov, V. V. and Demishev, S. V. and Maksimov, A. A. and Tartakovskii, I. I. and , and Filippov, V. B. and , }, journal = {JETP Lett.}, volume = {103}, issue = {11}, pages = {674}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16110035}, note = {[Pisma v ZhETF 103, 767 (2016)]} }