@article{JETPL.103.727,
    title = {},
    author = {Dmitriev, V. V. and Soldatov, A. A. and Yudin, A. N.},
    journal = {JETP Lett.},
    volume = {103},
    issue = {10},
    pages = {643},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16100076},
    note = {[Pisma v ZhETF 103, 727 (2016)]}
}