@article{PismaZhETF.50.450,
    title = {Maser generation of curvature radiation},
    author = {Beskin, V. S. and Gurevich, A. V. and Istomin, Ya. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {11},
    pages = {450},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17156.shtml},
}