Perlis87'

BibTeX

@article{DBLP:journals/ai/Perlis87,
  author    = {Donald Perlis},
  title     = {Circumscribing with Sets},
  journal   = {Artif. Intell.},
  volume    = {31},
  number    = {2},
  year      = {1987},
  pages     = {201-211},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}