@article{PismaZhETF.51.503,
    title = {Parametric generation in media with local response in unclosed resonators},
    author = {Mazur, A. P. and Novikov, A. D. and Odulov, S. G. and Soskin, M. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {10},
    pages = {503},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17316.shtml},
}