@inproceedings{spectralksupportnormregularization,
  title = {Spectral k-Support Norm Regularization},
  author = {Andrew M. McDonald and Massimiliano Pontil and Dimitris Stamos},
  year = {2014},
  booktitle = {NeurIPS 2014 12},
  url = {http://papers.nips.cc/paper/5297-spectral-k-support-norm-regularization},
}