@article{JETPL.105.266,
    title = {},
    author = {Toporkov, D. K. and ,  and Zevakov, S. A. and Nikolenko, D. M. and Rachek, I. A. and ,  and Shestakov, Yu. V.},
    journal = {JETP Lett.},
    volume = {105},
    issue = {5},
    pages = {289},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17050034},
    note = {[Pisma v ZhETF 105, 266 (2017)]}
}