@inproceedings{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", booktitle = "Proceedings of 36th International Cosmic Ray Conference {\textemdash} PoS(ICRC2019)", year = 2019, volume = "358", pages = "162" }