@article{PismaZhETF.37.129,
    title = {Interaction of a light particle with a system of heavy particles},
    author = {Kirzhnits, D. A. and Pen'kov, F. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {37},
    issue = {3},
    pages = {129},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22747.shtml},
}