@article{zhang2022sharp,
  title={Sharp bounds and semiparametric inference in $ L\^{}$\backslash$infty $-and $ L\^{} 2$-sensitivity analysis for observational studies},
  author={Zhang, Yao and Zhao, Qingyuan},
  journal={arXiv preprint arXiv:2211.04697},
  year={2022}
}