@Unpublished{K-theory/0870,
  author = 	 {{Goncalo Tabuada}},
  title = 	 {{Theorie homotopique des DG-categories}},
  note = 	 {{Preprint, October 4, 2007, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0870/}}}
}