@article{PismaZhETF.14.310,
    title = {Proof of Stage-by-stage Excitation of Parametric Spin Waves},
    author = {Zaushkin, V. V. and L'vov, V. S. and Musher, S. L. and Starobinets, S. S.},
    journal = {Письма в ЖЭТФ},
    volume = {14},
    issue = {5},
    pages = {310},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24891.shtml},
}