@article{PismaZhETF.22.308,
    title = {Penetration and screening effects in electron bremsstrahlung on ions},
    author = {Gervids, V. I. and Kogan, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {22},
    issue = {5},
    pages = {308},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23327.shtml},
}