@article{PismaZhETF.38.117,
    title = {Langmuir solitons in an inhomogeneous unsteady plasma},
    author = {Lomtev, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {38},
    issue = {3},
    pages = {117},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22567.shtml},
}