@article{PismaZhETF.11.192,
    title = {Amplification of Helicons in InSb by an Electron Beam},
    author = {Abilov, G. S. and Baibakov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {3},
    pages = {192},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26088.shtml},
}