@article{PismaZhETF.37.297,
    title = {Generation of higher harmonics of an intense laser beam in a plasma},
    author = {Isichenko, M. B. and Yan'kov, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {37},
    issue = {7},
    pages = {297},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22804.shtml},
}