@article{JETPL.105.748, title = {}, author = {Grigoriev, P. D. and Sinchenko, A. A. and , and , and Mogilyuk, T. I. and Orlov, A. P. and Frolov, A. V. and , and Chareev, D. A. and , and Vasiliev, A. N.}, journal = {JETP Lett.}, volume = {105}, issue = {12}, pages = {786}, year = {2017}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17120086}, note = {[Pisma v ZhETF 105, 748 (2017)]} }