@article{JMLR:v16:pokarowski15a,
  author  = {Piotr Pokarowski and Jan Mielniczuk},
  title   = {Combined l1 and Greedy l0 Penalized Least Squares for Linear Model Selection},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {29},
  pages   = {961--992},
  url     = {http://jmlr.org/papers/v16/pokarowski15a.html}
}