@article{PismaZhETF.23.421,
    title = {Microscopic theory of the stationary state of a parametrically-excited magnon system},
    author = {Slyusarev, V. A. and Yankelevich, R. P.},
    journal = {Письма в ЖЭТФ},
    volume = {23},
    issue = {8},
    pages = {421},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27539.shtml},
}