@article{gradientdensityestimationinarbitrary,
  title = {Gradient density estimation in arbitrary finite dimensions using the method of stationary phase},
  author = {Karthik S. Gurumoorthy and Anand Rangarajan and John Corring},
  year = {2012},
  eprint = {1211.3038},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1211.3038v4},
}