@article{JETPL.109.91, title = {}, author = {Krishtopenko, S. S. and Ruffenach, S. and , and Consejo, C. and , and , and , and Fadeev, M. A. and , and Rumyantsev, V. V. and Morozov, S. V. and , and , and Gavrilenko, V. I. and Teppe, F.}, journal = {JETP Lett.}, volume = {109}, issue = {2}, pages = {96}, year = {2019}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X1902005X}, note = {[Pisma v ZhETF 109, 91 (2019)]} }