@inproceedings{sparserecoverybythresholdednonnegative,
  title = {Sparse recovery by thresholded non-negative least squares},
  author = {Martin Slawski and Matthias Hein},
  year = {2011},
  booktitle = {NeurIPS 2011 12},
  url = {http://papers.nips.cc/paper/4231-sparse-recovery-by-thresholded-non-negative-least-squares},
}