@article{PismaZhETF.12.169,
    title = {Radiation Directivity Pattern of a Semiconducting Multilayer Structure},
    author = {Demidov, Yu. P. and Zargar'yants, M. N. and Kiselev, A. A. and Kolonenkova, S. I.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {4},
    pages = {169},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26265.shtml},
}