@article{PismaZhETF.2.478,
    title = {Ionization of an Atom Colliding with an Excited Atom},
    author = {Smirnov, B. M. and Firsov, O. B.},
    journal = {Письма в ЖЭТФ},
    volume = {2},
    issue = {10},
    pages = {478},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24647.shtml},
}