@article{PismaZhETF.32.619,
    title = {The nature of fast, "leading," $\pi^+$ mesons in $\pi^-N$ and $\pi^{-12}C$ interactions at 40 GeV/c},
    author = {Olimov, K. and Yuldashev, A. A. and Yuldashev, B. S.},
    journal = {Письма в ЖЭТФ},
    volume = {32},
    issue = {10},
    pages = {619},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21813.shtml},
}