ManasterR80a'

BibTeX

@article{DBLP:journals/jsyml/ManasterR80a,
  author    = {Alfred B. Manaster and
               Joseph G. Rosenstein},
  title     = {Two-Dimensional Partial Orderings: Undecidability},
  journal   = {J. Symb. Log.},
  volume    = {45},
  number    = {1},
  year      = {1980},
  pages     = {133-143},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}