@article{JETPL.104.356,
    title = {},
    author = {,  and ,  and ,  and ,  and , },
    journal = {JETP Lett.},
    volume = {104},
    issue = {5},
    pages = {347},
    year = {2016},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_32059.shtml},
    note = {[Pisma v ZhETF 104, 356 (2016)]}
}