@article{PismaZhETF.38.221,
    title = {Energy limits of Bragg diffraction of charged particles in a single crystal},
    author = {Dudarev, S. L. and Ryazanov, M. I.},
    journal = {Письма в ЖЭТФ},
    volume = {38},
    issue = {4},
    pages = {221},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22602.shtml},
}