BidoitF91'

BibTeX

@article{DBLP:journals/tcs/BidoitF91,
  author    = {Nicole Bidoit and
               Christine Froidevaux},
  title     = {Negation by Default and Unstratifiable Logic Programs},
  journal   = {Theor. Comput. Sci.},
  volume    = {78},
  number    = {1},
  year      = {1991},
  pages     = {86-112},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}