@misc{looi2019scattering,
  title={Scattering for critical wave equations with variable coefficients},
  author={Shi-Zhuo Looi and Mihai Tohaneanu},
  year={2019},
  eprint={1912.06795},
  archivePrefix={arXiv},
  primaryClass={math.AP},
  url={https://arxiv.org/abs/1912.06795}
}