@article{PismaZhETF.32.149,
    title = {Parametric excitation of spin waves under switching of the pump frequency},
    author = {Zhitnyuk, V. S. and Melkov, G. A.},
    journal = {Письма в ЖЭТФ},
    volume = {32},
    issue = {2},
    pages = {149},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21657.shtml},
}