@article{PismaZhETF.47.43,
    title = {Observation of excimer $He_2$ molecules in an $He^4$ crystal},
    author = {Kopeliovich, D. B. and Parshin, A. Ya. and Pereverzev, S. V.},
    journal = {Письма в ЖЭТФ},
    volume = {47},
    issue = {1},
    pages = {43},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16443.shtml},
}