An Extension of Ackermann s Set Theory

Donald Perlis. An Extension of Ackermann s Set Theory. Journal of Symbolic Logic, 37(4):703-704, 1972.

@article{Perlis72,
  title = {An Extension of Ackermann s Set Theory},
  author = {Donald Perlis},
  year = {1972},
  researchr = {https://researchr.org/publication/Perlis72},
  cites = {0},
  citedby = {0},
  journal = {Journal of Symbolic Logic},
  volume = {37},
  number = {4},
  pages = {703-704},
}