Ehrenfeucht57'

BibTeX

@article{DBLP:journals/jsyml/Ehrenfeucht57,
  author    = {Andrzej Ehrenfeucht},
  title     = {Two Theories with Axioms Built by Means of Pleonasms},
  journal   = {J. Symb. Log.},
  volume    = {22},
  number    = {1},
  year      = {1957},
  pages     = {36-38},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}