@article{relaxedsparseeigenvalueconditionsfor,
  title = {Relaxed Sparse Eigenvalue Conditions for Sparse Estimation via Non-convex Regularized Regression},
  author = {Zheng Pan and Chang-Shui Zhang},
  year = {2013},
  eprint = {1306.3343},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1306.3343v3},
}