@article{JMLR:v17:15-656,
  author  = {Jing Ma and George Michailidis},
  title   = {Joint Structural Estimation of Multiple Graphical Models},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {166},
  pages   = {1--48},
  url     = {http://jmlr.org/papers/v17/15-656.html}
}