@article{PismaZhETF.3.416,
    title = {The Transparent Hexagonal Ferrimagnet $RbNiF_3$},
    author = {Smolenskii, G. A. and Yudin, V. M. and Syrnikov, P. P. and Sherman, A. B.},
    journal = {Письма в ЖЭТФ},
    volume = {3},
    issue = {10},
    pages = {416},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24786.shtml},
}