@article{PismaZhETF.58.844,
    title = {Angular distribution of ultracold neutrons produced by scattering of cold neutrons in superfluid $^4He$},
    author = {Lamoreaux, S. K. and Golub, R.},
    journal = {Письма в ЖЭТФ},
    volume = {58},
    issue = {10},
    pages = {844},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18017.shtml},
}