@article{JETPL.104.155,
    title = {},
    author = {Gorodnichev, E. E. and ,  and Rogozkin, D. B.},
    journal = {JETP Lett.},
    volume = {104},
    issue = {3},
    pages = {157},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16150030},
    note = {[Pisma v ZhETF 104, 155 (2016)]}
}