@InProceedings{	  dk97,
  author	= "Volker Diekert and Yuji Kobayashi",
  address	= "Singapore-New Jersey-London-Hong Kong",
  booktitle	= "Algebraic Engineering, Proc. International Workshop on
		  Formal Languages and Computer Systems, Kyoto, Japan, 18--21
		  March 1997, and the First International Conference on
		  Semigroups and Algebraic Engineering, Aizu, Japan, 24--28
		  March 1997",
  editor	= "Chrystopher L. Nehaniv and Masami Ito",
  pages		= "330--349",
  publisher	= "World Scientific",
  title		= "Some Identities Related to Automata, Determinants, and
		  {M}{\"o}bius Functions",
  year		= "1999"
}