@article{PismaZhETF.49.594,
    title = {Radiative instability of open beam-plasma systems},
    author = {Karbushev, N. I. and Shatkus, A. D.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {11},
    pages = {594},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16994.shtml},
}