@article{causalnearestneighborrulesforoptimal,
  title = {Causal nearest neighbor rules for optimal treatment regimes},
  author = {Xin Zhou and Michael R. Kosorok},
  year = {2017},
  eprint = {1711.08451},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1711.08451v1},
}