@InProceedings{grtner_et_al:LIPIcs:2015:4925,
  author =	{Bernd G{\"a}rtner and Antonis Thomas},
  title =	{{The Complexity of Recognizing Unique Sink Orientations}},
  booktitle =	{32nd International Symposium on Theoretical Aspects of Computer Science (STACS 2015)},
  pages =	{341--353},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-78-1},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{30},
  editor =	{Ernst W. Mayr and Nicolas Ollinger},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2015/4925},
  URN =		{urn:nbn:de:0030-drops-49252},
  doi =		{http://dx.doi.org/10.4230/LIPIcs.STACS.2015.341},
  annote =	{Keywords: complexity, recognizing, unique sink orientations, coNP, PSPACE}
}