Fagin77'

BibTeX

@article{DBLP:journals/ibmrd/Fagin77,
  author    = {Ronald Fagin},
  title     = {Functional Dependencies in a Relational Data Base and Propositional
               Logic},
  journal   = {IBM Journal of Research and Development},
  volume    = {21},
  number    = {6},
  year      = {1977},
  pages     = {543-544},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}