@article{fusedmultiplegraphicallasso,
  title = {Fused Multiple Graphical Lasso},
  author = {Sen Yang and Zhaosong Lu and Xiaotong Shen and Peter Wonka and Jieping Ye},
  year = {2012},
  eprint = {1209.2139},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1209.2139v2},
}