@article{onestimatingl22divergence,
  title = {On Estimating $L_2^2$ Divergence},
  author = {Akshay Krishnamurthy and Kirthevasan Kandasamy and Barnabas Poczos and Larry Wasserman},
  year = {2014},
  eprint = {1410.8372},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1410.8372v1},
}