@article{proximalcausallearningwithkernelstwo,
  title = {Proximal Causal Learning with Kernels: Two-Stage Estimation and Moment Restriction},
  author = {Afsaneh Mastouri and Yuchen Zhu and Limor Gultchin and Anna Korba and Ricardo Silva and Matt J. Kusner and Arthur Gretton and Krikamol Muandet},
  year = {2021},
  eprint = {2105.04544},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.04544v6},
}