@article{PismaZhETF.9.664,
    title = {Observation of Ultrasonic Oscillations in Nonlinear Ferromagnetlc Resonance},
    author = {Monosov, Ya. A. and Surin, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {9},
    issue = {12},
    pages = {664},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25424.shtml},
}