@article{JETPL.103.684,
    title = {},
    author = {Prekul, A. F. and Shchegolikhina, N. I.},
    journal = {JETP Lett.},
    volume = {103},
    issue = {9},
    pages = {603},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16090101},
    note = {[Pisma v ZhETF 103, 684 (2016)]}
}