MatzT97'

BibTeX

@inproceedings{DBLP:conf/lics/MatzT97,
  author    = {Oliver Matz and
               Wolfgang Thomas},
  title     = {The Monadic Quantifier Alternation Hierarchy over Graphs
               is Infinite},
  booktitle = {LICS},
  year      = {1997},
  pages     = {236-244},
  ee        = {http://www.computer.org/proceedings/lics/7925/79250236abs.htm},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}