@article{PismaZhETF.25.438,
    title = {Solitons in a system of parametrically excited waves},
    author = {Borovik, A. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {25},
    issue = {9},
    pages = {438},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21455.shtml},
}