@inproceedings{adivideandconquermethodforsparse,
  title = {A Divide-and-Conquer Method for Sparse Inverse Covariance Estimation},
  author = {Cho-Jui Hsieh and Arindam Banerjee and Inderjit S. Dhillon and Pradeep K. Ravikumar},
  year = {2012},
  booktitle = {NeurIPS 2012 12},
  url = {http://papers.nips.cc/paper/4546-a-divide-and-conquer-method-for-sparse-inverse-covariance-estimation},
}