@article{PismaZhETF.8.560,
    title = {Concerning the Correlation of Gamma Quanta in the X-ray Band},
    author = {Labushkin, V. G. and Nikolaev, E. P.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {10},
    pages = {560},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26414.shtml},
}