@article{PismaZhETF.13.646,
    title = {Neutron Strength Functions},
    author = {Zaretskii, D. F. and Urin, M. G.},
    journal = {Письма в ЖЭТФ},
    volume = {13},
    issue = {11},
    pages = {646},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24363.shtml},
}