@article{JETPL.106.515,
    title = {},
    author = {Asadchikov, V. E. and Tikhonov, A. M. and Volkov, Yu. O. and Roshchin, B. S. and Ermakov, Yu. A. and ,  and Dyachkova, I. G. and , },
    journal = {JETP Lett.},
    volume = {106},
    issue = {8},
    pages = {534},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17200103},
    note = {[Pisma v ZhETF 106, 515 (2017)]}
}