@article{PismaZhETF.39.189,
    title = {Self-focusing of Gaussian helicon beams in a magnetized solid-state plasma},
    author = {Yankauskas, Z. K.},
    journal = {Письма в ЖЭТФ},
    volume = {39},
    issue = {5},
    pages = {189},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19451.shtml},
}