@InProceedings{barcelo_et_al:LIPIcs.FSTTCS.2011.351,
  author =	{Barcel\'{o}, Pablo and Libkin, Leonid and Reutter, Juan L.},
  title =	{{Parameterized Regular Expressions and Their Languages}},
  booktitle =	{IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2011)},
  pages =	{351--362},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-34-7},
  ISSN =	{1868-8969},
  year =	{2011},
  volume =	{13},
  editor =	{Chakraborty, Supratik and Kumar, Amit},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2011.351},
  URN =		{urn:nbn:de:0030-drops-33334},
  doi =		{10.4230/LIPIcs.FSTTCS.2011.351},
  annote =	{Keywords: Regular expressions, complexity, decision problems, regular languages}
}