@inproceedings{nonconvexstatisticaloptimizationfor,
  title = {Non-convex Statistical Optimization for Sparse Tensor Graphical Model},
  author = {Wei Sun and Zhaoran Wang and Han Liu and Guang Cheng},
  year = {2015},
  booktitle = {NeurIPS 2015 12},
  url = {http://papers.nips.cc/paper/5920-non-convex-statistical-optimization-for-sparse-tensor-graphical-model},
}