@article{PismaZhETF.25.132,
    title = {New Lorentz-invariant system with exact multisoliton solutions},
    author = {Getmanov, B. S.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {2},
    pages = {132},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21090.shtml},
}