@InProceedings{kao_et_al:LIPIcs.STACS.2008.1362,
  author =	{Kao, Jui-Yi and Shallit, Jeffrey and Xu, Zhi},
  title =	{{The Frobenius Problem in a Free Monoid}},
  booktitle =	{25th International Symposium on Theoretical Aspects of Computer Science},
  pages =	{421--432},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-06-4},
  ISSN =	{1868-8969},
  year =	{2008},
  volume =	{1},
  editor =	{Albers, Susanne and Weil, Pascal},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2008.1362},
  URN =		{urn:nbn:de:0030-drops-13620},
  doi =		{10.4230/LIPIcs.STACS.2008.1362},
  annote =	{Keywords: Combinatorics on words, Frobenius problem, free monoid}
}