Shepherdson85'

BibTeX

@article{DBLP:journals/jlp/Shepherdson85,
  author    = {John C. Shepherdson},
  title     = {Negation as Failure II},
  journal   = {J. Log. Program.},
  volume    = {2},
  number    = {3},
  year      = {1985},
  pages     = {185-202},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}