Riser67'

BibTeX

@article{DBLP:journals/jsyml/Riser67,
  author    = {John Riser},
  title     = {A Gentzen-Type Calculus of Sequents for Single-Operator
               Propositional Logic},
  journal   = {J. Symb. Log.},
  volume    = {32},
  number    = {1},
  year      = {1967},
  pages     = {75-80},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}