@article{highdimensionalsemiparametricscale,
  title = {High Dimensional Semiparametric Scale-Invariant Principal Component Analysis},
  author = {Fang Han and Han Liu},
  year = {2014},
  eprint = {1402.4507},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1402.4507v1},
}