@article{PismaZhETF.10.316,
    title = {Paramagnetic Excitation of Spin Waves' in Anti ferromagnetic $CaMnF_3$},
    author = {Prozorova, L. A. and Borovik-Romanov, A. S.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {7},
    pages = {316},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25734.shtml},
}