@misc{18358,
  author       = {{Peckhaus, Volker}},
  booktitle    = {{zbMATH Open, Zbl. 0942.03002}},
  title        = {{{Zach, Richard, “Completeness before Post: Bernays, Hilbert, and the Development of Propositional Logic”, Bulletin of Symbolic Logic 5 (1999), 331–366}}},
  year         = {{2000}},
}