@article{PismaZhETF.10.441,
    title = {Possible Mechanism of Formation of the Spectra of Cosmic X-ray Sources},
    author = {Gnedin, Yu. N. and Dolginov, A. Z. and Tsygan, A. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {9},
    pages = {441},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26780.shtml},
}