@InCollection{    brzozowski,
  Author        = "Brzozowski, J. A.",
  BookTitle     = "Mathematical theory of Automata",
  date-added    = "2012-09-21 14:21:34 +0200",
  date-modified = "2012-09-21 14:21:34 +0200",
  Note          = "Volume 12 of MRI Symposia Series",
  Pages         = "529--561",
  Publisher     = "Polytechnic Press, Polytechnic Institute of Brooklyn, N.Y.",
  Title         = "Canonical regular expressions and minimal state graphs for definite events",
  Year          = "1962"
}

@InCollection{ brzozowski, Author = "Brzozowski, J. A.", BookTitle = "Mathematical theory of Automata", date-added = "2012-09-21 14:21:34 +0200", date-modified = "2012-09-21 14:21:34 +0200", Note = "Volume 12 of MRI Symposia Series", Pages = "529--561", Publisher = "Polytechnic Press, Polytechnic Institute of Brooklyn, N.Y.", Title = "Canonical regular expressions and minimal state graphs for definite events", Year = "1962" }