@Unpublished{K-theory/0717,
  author = 	 {{Joseph Ayoub }},
  title = 	 {{Le formalisme des quatres opérations }},
  note = 	 {{Preprint, January 7, 2005, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0717/}}}
}