@article{PismaZhETF.24.193,
    title = {Electron-phonon interaction on "shallow" donors in gallium phosphid},
    author = {Kopylov, A. A. and Pikhtin, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {24},
    issue = {4},
    pages = {193},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27792.shtml},
}