@article{decisiontheoretictroubleshootinghardness,
  title = {Decision-Theoretic Troubleshooting: Hardness of Approximation},
  author = {Václav Lín},
  year = {2013},
  eprint = {1304.6551},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1304.6551v4},
}