@article{PismaZhETF.3.275,
    title = {Two Operating Modes of a Plasma Source},
    author = {Popov, S. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {7},
    pages = {275},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24745.shtml},
}