@article{JETPL.106.567,
    title = {},
    author = {,  and ,  and ,  and , },
    journal = {JETP Lett.},
    volume = {106},
    issue = {9},
    pages = {582},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_32527.shtml},
    note = {[Pisma v ZhETF 106, 567 (2017)]}
}