@article{PismaZhETF.9.69,
    title = {Field Statistics in Parametric Luminescence},
    author = {Zel'dovich, B. Ya. and Klyshko, D. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {9},
    issue = {1},
    pages = {69},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25275.shtml},
}