Maddy83'

BibTeX

@article{DBLP:journals/jsyml/Maddy83,
  author    = {Penelope Maddy},
  title     = {Proper Classes},
  journal   = {J. Symb. Log.},
  volume    = {48},
  number    = {1},
  year      = {1983},
  pages     = {113-139},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}