@inproceedings{theselfnormalizedestimatorfor,
  title = {The Self-Normalized Estimator for Counterfactual Learning},
  author = {Adith Swaminathan and Thorsten Joachims},
  year = {2015},
  booktitle = {NeurIPS 2015 12},
  url = {http://papers.nips.cc/paper/5748-the-self-normalized-estimator-for-counterfactual-learning},
}