@article{adeepandtractabledensityestimator,
  title = {A Deep and Tractable Density Estimator},
  author = {Benigno Uria and Iain Murray and Hugo Larochelle},
  year = {2013},
  eprint = {1310.1757},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1310.1757v2},
}