@article{PismaZhETF.19.680,
    title = {Nonlinear theory of parametric excitation of spin waves in antiferromagnets},
    author = {Kolganov, V. A. and L'vov, V. S. and Shirokov, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {11},
    pages = {680},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27120.shtml},
}