@article{PismaZhETF.29.7,
    title = {Diffraction focusing of neutrons},
    author = {Indenbom, V. L.},
    journal = {Письма в ЖЭТФ},
    volume = {29},
    issue = {1},
    pages = {7},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22005.shtml},
}