@article{learningdirectedacyclicgraphswith,
  title = {Learning Directed Acyclic Graphs with Penalized Neighbourhood Regression},
  author = {Bryon Aragam and Arash A. Amini and Qing Zhou},
  year = {2015},
  eprint = {1511.08963},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1511.08963v3},
}