@article{JETPL.105.120,
    title = {},
    author = {, },
    journal = {JETP Lett.},
    volume = {105},
    issue = {2},
    pages = {},
    year = {2017},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_32206.shtml},
    note = {[Pisma v ZhETF 105, 120 (2017)]}
}