@article{PismaZhETF.7.30,
    title = {Radiation of an Atom (Molecule) in an Absorbing Medium},
    author = {Feinberg, E. L.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {1},
    pages = {30},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25566.shtml},
}