@article{makinouchi:1966:zbf,
    author = {Makinouchi, Saburo},
     title = {Zeros of {B}essel functions {$J\sb{\nu}\,(x)$} and {$Y\sb{\nu}\,(x)$}
              accurate to twenty-nine significant digits},
   journal = {Technology Reports of the Osaka University},
    volume = {16},
      year = {1966},
    number = {685},
     pages = {1–44}}