@misc{pak2019sobolev,
  title={Sobolev trace inequality on $W^{s,q}(\mathbb{R}^n)$},
  author={Hee Chul Pak},
  year={2019},
  eprint={1909.03230},
  archivePrefix={arXiv},
  primaryClass={math.AP},
  url={https://arxiv.org/abs/1909.03230}
}