@article{anunsupervisedalgorithmforlearninglie,
  title = {An Unsupervised Algorithm For Learning Lie Group Transformations},
  author = {Jascha Sohl-Dickstein and Ching Ming Wang and Bruno A. Olshausen},
  year = {2010},
  eprint = {1001.1027},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1001.1027v5},
}