@article{PismaZhETF.23.145,
    title = {Lowering of the parametric-instability threshold by injection of an electron beam in a plasma},
    author = {Gromov, S. N. and Pasechnik, L. L. and Semenyuk, V. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {3},
    pages = {145},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27446.shtml},
}