@article{PismaZhETF.58.335,
    title = {Quasiperiodic and chaotic Langmuir cavitons},
    author = {Petviashvili, V. I. and Shagalov, A. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {5},
    pages = {335},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17928.shtml},
}