@misc{18244,
  author       = {{Peckhaus, Volker}},
  booktitle    = {{zbMATH Open, Zbl. 0881.01013}},
  title        = {{{Howard, William A., “Some Proof Theory in the 1960’s”, in: P. Odifreddi (ed.), Kreiseliana, Wellesley, MA 1996 [Zbl 0894.03002], 275–288}}},
  year         = {{1998}},
}