@article{PismaZhETF.32.551,
    title = {Experimental observation of dynamic focusing of x rays by a uniformly bent crystal in the Laue case},
    author = {Kushnir, V. I. and Suvorov, E. V.},
    journal = {Письма в ЖЭТФ},
    volume = {32},
    issue = {9},
    pages = {551},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21794.shtml},
}