@article{PismaZhETF.13.341,
    title = {Determination of the Radius of Strong Interaction of Pb and the Mean Free Path of the $\pi^0$ Meson in  Nuclear Matter},
    author = {Kryshkin, V. I. and Potashov, A. G. and Sterligov, A. G. and Usov, Yu. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {13},
    issue = {7},
    pages = {341},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24239.shtml},
}