@article{PismaZhETF.10.95,
    title = {Bound Polaron and Phonon States},
    author = {Mel'nikov, V. I. and Rashba, E. I.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {2},
    pages = {95},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25692.shtml},
}