Knowledge Processing and Information Systems
Preferred well-founded semantics for logic programming by alternating fixpoints: Preliminary report

@article{DBLP:journals/corr/cs-AI-0207060,
  title = {Preferred well-founded semantics for logic programming by alternating fixpoints: Preliminary report},
  author = {Schaub, Torsten and Wang, Kewen},
  journal = {CoRR},
  volume = {cs.AI/0207060},
  year = {2002}
}