@article{PismaZhETF.18.232,
    title = {Generation of powerful electromagnetic radiation pulses by a beam of relativistic electrons},
    author = {Kovalev, N. F. and Petelin, M. I. and Raizer, M. D. and Smorgonskii, A. V. and Tsopp, L. E.},
    journal = {Письма в ЖЭТФ},
    volume = {18},
    issue = {4},
    pages = {232},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23909.shtml},
}