@article{PismaZhETF.46.249,
    title = {Detection of extremely high-energy cosmic rays from the Cygnus X-1 and Cygnus X-3 binary systems},
    author = {Kulikov, G. V. and Pogorelyi, V. G. and Silaev, A. A. and Solov'eva, V. I. and Sulakov, V. P. and Trubitsyn, A. V. and Khristiansen, G. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {6},
    pages = {249},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18573.shtml},
}