@article{PismaZhETF.54.179,
    title = {"Wave-number conservation" and succession of symmetries during a Whitham averaging},
    author = {Kudashev, V. R.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {3},
    pages = {179},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18113.shtml},
}