@article{Yokoyama:20197f,
  author = "Yokoyama, Shota  and  Ohira, Yutaka",
  title = "{Particle acceleration by shock waves propagating in a non-uniform medium}",
  doi = "10.22323/1.358.0162",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "162"
}