@article{JETPL.110.777,
    title = {},
    author = {Men?shov, V. N. and ,  and Chulkov, E. V.},
    journal = {JETP Lett.},
    volume = {110},
    issue = {12},
    pages = {771},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_33822.shtml},
    note = {[Pisma v ZhETF 110, 777 (2019)]}
}