@article{PismaZhETF.7.246,
    title = {Amplification of Short-wave Radiation in a Plasma of Multiply Charged Ions},
    author = {Gudzenko, L. I. and Shelepin, L. A.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {7},
    pages = {246},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25631.shtml},
}