@article{PismaZhETF.2.130,
    title = {Radiation of a System of Excited Nuclei in a Crystal},
    author = {Afanas'ev, A. M. and Kagan, Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {3},
    pages = {130},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24481.shtml},
}