@article{PismaZhETF.20.375,
    title = {High-frequency spin-wave spectrum in ferromagnets},
    author = {Silin, V. P. and Solontsov, A. Z.},
    journal = {Письма в ЖЭТФ},
    volume = {20},
    issue = {6},
    pages = {375},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27281.shtml},
}