@article{PismaZhETF.19.225,
    title = {Observation of the propagation of spin waves in antiferromagnets},
    author = {Kotyuzhanskii, B. Y. and Prozorova, L. A.},
    journal = {Письма в ЖЭТФ},
    volume = {19},
    issue = {4},
    pages = {225},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27041.shtml},
}