Corsi99'

BibTeX

@article{DBLP:journals/sLogica/Corsi99,
  author    = {Giovanna Corsi},
  title     = {Bull`s Theorem by the Method of Diagrams},
  journal   = {Studia Logica},
  volume    = {62},
  number    = {2},
  year      = {1999},
  pages     = {163-176},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}