Ullian69'

BibTeX

@inproceedings{DBLP:conf/stoc/Ullian69,
  author    = {Joseph S. Ullian},
  title     = {The Inherent Ambiguity Partial Algorithm Problem for Context
               Free Languages},
  booktitle = {STOC},
  year      = {1969},
  pages     = {19-20},
  crossref  = {DBLP:conf/stoc/STOC1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/stoc/STOC1,
  title     = {Conference Record of ACM Symposium on Theory of Computing,
               5-7 May 1969, Marina del Rey, California, USA},
  booktitle = {STOC},
  publisher = {ACM},
  year      = {1969},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}