@article{JETPL.104.440, title = {}, author = {, and , and Makarov, G. N. and , and Petin, A. N. and Poydashev, D. G. and Ryabov, E. A.}, journal = {JETP Lett.}, volume = {104}, issue = {6}, pages = {425}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16180120}, note = {[Pisma v ZhETF 104, 440 (2016)]} }