@InCollection{	  dm97handbook,
  author	= "Volker Diekert and Yves M{\'{e}}tivier",
  title		= "Partial Commutation and Traces",
  booktitle	= "Handbook of Formal Languages, Volume 3: Beyond Words.",
  pages		= "457--533",
  year		= "1997",
  crossref	= "DBLPHandbookFL1997_3",
  url		= "https://doi.org/10.1007/978-3-642-59126-6\_8",
  doi		= "10.1007/978-3-642-59126-6\_8",
  timestamp	= "Sun, 25 Nov 2018 14:05:44 +0100",
  biburl	= "https://dblp.org/rec/bib/reference/hfl/DiekertM97",
  bibsource	= "dblp computer science bibliography, https://dblp.org"
}