@article{JETPL.104.695,
    title = {},
    author = {Agafontsev, D. S. and Kuznetsov, E. A. and Mailybaev, A. A.},
    journal = {JETP Lett.},
    volume = {104},
    issue = {10},
    pages = {685},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16220069},
    note = {[Pisma v ZhETF 104, 695 (2016)]}
}