@article{PismaZhETF.13.607,
    title = {Coherent Microwave Radiation of n-InSb},
    author = {Kobyzev, V. N. and Tager, A. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {13},
    issue = {11},
    pages = {607},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24352.shtml},
}