@article{JMLR:v17:15-579,
  author  = {Jason K. Johnson and Diane Oyen and Michael Chertkov and Praneeth Netrapalli},
  title   = {Learning Planar Ising Models},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {214},
  pages   = {1--26},
  url     = {http://jmlr.org/papers/v17/15-579.html}
}