@article{sparsegeneralizedeigenvalueproblemvia,
  title = {Sparse Generalized Eigenvalue Problem via Smooth Optimization},
  author = {Junxiao Song and Prabhu Babu and Daniel P. Palomar},
  year = {2014},
  eprint = {1408.6686},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1408.6686v2},
}