@article{chuong2007,
  title={The Cauchy problem for a class of pseudodifferential equations over p-adic field},
  author={Nguyen Minh Chuong and Nguyen Van Co},
  year={2007},
  journal={Journal of Mathematical Analysis and Applications},
  doi={10.1016/j.jmaa.2007.09.001},
  url={https://doi.org/10.1016/j.jmaa.2007.09.001}
}