@article{PismaZhETF.18.172,
    title = {Resonant self-trapping of hypersound},
    author = {Ganopol'skii, E. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {18},
    issue = {3},
    pages = {172},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27630.shtml},
}