@article{PismaZhETF.48.303,
    title = {Photon showers and the Belkacem peak in the radiation from channeled ultrarelativistic electrons},
    author = {Kononets, Yu. V. and Ryabov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {48},
    issue = {6},
    pages = {303},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16721.shtml},
}