@article{PismaZhETF.9.394,
    title = {Certain Characteristics of Nuclear Interactions of $\pi^-$ Mesons with Momentum 50 GeV/c},
    author = {Zhdanov, G. B. and Tret'yakov, M. I. and Chernyavskii, M. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {9},
    issue = {7},
    pages = {394},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25372.shtml},
}