@article{JETPL.103.617,
    title = {},
    author = {Danilov, P. A. and ,  and ,  and Kudryashov, S. I. and ,  and ,  and Saraeva, I. N. and Kuchmizhak, A. A. and ,  and , },
    journal = {JETP Lett.},
    volume = {103},
    issue = {8},
    pages = {549},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16080117},
    note = {[Pisma v ZhETF 103, 617 (2016)]}
}