@article{JMLR:v13:liu12a,
  author  = {Ji Liu and Peter Wonka and Jieping Ye},
  title   = {A Multi-Stage Framework for Dantzig Selector and LASSO},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {41},
  pages   = {1189--1219},
  url     = {http://jmlr.org/papers/v13/liu12a.html}
}