@article{JMLR:v23:21-1120,
  author  = {Baoluo Sun and Yifan Cui and Eric Tchetgen Tchetgen},
  title   = {Selective Machine Learning of the Average Treatment Effect with an Invalid Instrumental Variable},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {204},
  pages   = {1--40},
  url     = {http://jmlr.org/papers/v23/21-1120.html}
}