@InProceedings{rabinovich_et_al:LIPIcs.FSTTCS.2019.50,
  author =	{Rabinovich, Alexander and Tiferet, Doron},
  title =	{{Degrees of Ambiguity of B\"{u}chi Tree Automata}},
  booktitle =	{39th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2019)},
  pages =	{50:1--50:14},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-131-3},
  ISSN =	{1868-8969},
  year =	{2019},
  volume =	{150},
  editor =	{Chattopadhyay, Arkadev and Gastin, Paul},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2019.50},
  URN =		{urn:nbn:de:0030-drops-116122},
  doi =		{10.4230/LIPIcs.FSTTCS.2019.50},
  annote =	{Keywords: automata on infinite trees, ambiguous automata}
}