@article{JMLR:v14:sun13a,
  author  = {Tingni Sun and Cun-Hui Zhang},
  title   = {Sparse Matrix Inversion with Scaled Lasso},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {106},
  pages   = {3385--3418},
  url     = {http://jmlr.org/papers/v14/sun13a.html}
}