@article{PismaZhETF.8.639,
    title = {Mechanism of Generation of Muons of Ultrahigh Energy, with Nearly Isotropic Azimutahl Distribution by Cosmic Rays},
    author = {Shabalin, E. P.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {11},
    pages = {639},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26433.shtml},
}