@article{PismaZhETF.9.312,
    title = {Concerning the Nature of the Cosmic Isotropic X-Radiation},
    author = {Rozental, I. L. and Shukalov, I. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {9},
    issue = {5},
    pages = {312},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25351.shtml},
}