Porte83'

BibTeX

@article{DBLP:journals/jsyml/Porte83,
  author    = {Jean Porte},
  title     = {Antitheses in Systems of Relevant Implication},
  journal   = {J. Symb. Log.},
  volume    = {48},
  number    = {1},
  year      = {1983},
  pages     = {97-99},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}