@article{PismaZhETF.6.787,
    title = {Nonlinear Interaction of Oscillations in a Plasma-beam System},
    author = {Shashurin, I. P.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {8},
    pages = {787},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25489.shtml},
}