AmadioC91'

BibTeX

@inproceedings{DBLP:conf/popl/AmadioC91,
  author    = {Roberto M. Amadio and
               Luca Cardelli},
  title     = {Subtyping Recursive Types},
  booktitle = {POPL},
  year      = {1991},
  pages     = {104-118},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}