@article{JETPL.108.404,
    title = {},
    author = {,  and ,  and ,  and ,  and ,  and , },
    journal = {JETP Lett.},
    volume = {108},
    issue = {6},
    pages = {379},
    year = {2018},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_32914.shtml},
    note = {[Pisma v ZhETF 108, 404 (2018)]}
}