@article{PismaZhETF.12.172,
    title = {Fine Structure of the distribution Function of an Electron Beam Interacting with a Plasma},
    author = {Levitskii, S. M. and Nuriev, K. Z.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {12},
    issue = {4},
    pages = {172},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26266.shtml},
}