@article{PismaZhETF.29.179,
    title = {Two types of Langmuir solitons},
    author = {Yan'kov, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {3},
    pages = {179},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22050.shtml},
}