@article{PismaZhETF.54.445,
    title = {Superradiance of an electron swarm in a periodic magnetic field},
    author = {Ginzburg, N. S and Sergeev, A. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {8},
    pages = {445},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18925.shtml},
}