@article{characterizingandcomputingstablemodelsof,
  title = {Characterizing and computing stable models of logic programs: The non-stratified case},
  author = {Gianpaolo Brignoli and Stefania Costantini and Ottavio D'Antona and Alessandro Provetti},
  year = {2014},
  eprint = {1402.5436},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1402.5436v1},
}