@article{PismaZhETF.35.470,
    title = {Soliton bound states in long Josephson junctions},
    author = {Gal'pern, Yu. S. and Filippov, A. T.},
    journal = {Письма в ЖЭТФ},
    volume = {35},
    issue = {11},
    pages = {470},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20056.shtml},
}