@article{PismaZhETF.27.13,
    title = {Neutron focus in beryllium in a synchrotron-radiation field},
    author = {Eremeev, I. P.},
    journal = {Письма в ЖЭТФ},
    volume = {27},
    issue = {1},
    pages = {13},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23507.shtml},
}