@article{PismaZhETF.4.208,
    title = {Continuous Coherent Radiation of Epitaxial Diodes of GaAs at $77^\circ K$},
    author = {Kogan, L. M. and Libov, L. D. and Nasledov, D. N. and Nikitina, T. F. and Oraevskii, I. N. and Strakhovskii, G. M. and Sungurova, O. A. and Tsarenkov, B. V.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {6},
    pages = {208},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24873.shtml},
}