@article{PismaZhETF.45.568,
    title = {Energy spectrum of implanted heterointercalation compounds in acceptor graphite},
    author = {Akim, V. Ya. and Davydov, V. N. and Kul'bachinskn, V. A. and Nikitina, O. M.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {12},
    pages = {568},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18861.shtml},
}