@article{PismaZhETF.50.6,
    title = {Use of superposition model in analyzing muon groups generated  by high-energy nuclei of the primary cosmic rays},
    author = {Boziev, S. N. and Voevodskii, A. V. and Chudakov, A. E.},
    journal = {Письма в ЖЭТФ},
    volume = {50},
    issue = {1},
    pages = {6},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17025.shtml},
}