@article{JMLR:v20:18-191,
  author  = {Ying-Qi Zhao and Eric B. Laber and Yang Ning and Sumona Saha and Bruce E. Sands},
  title   = {Efficient augmentation and relaxation learning for individualized treatment rules using observational data},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {48},
  pages   = {1--23},
  url     = {http://jmlr.org/papers/v20/18-191.html}
}