@Unpublished{K-theory/0661,
  author = 	 {{Paul Balmer and Stefan Gille}},
  title = 	 {{Koszul complexes and symmetric forms over the punctured affine space}},
  note = 	 {{Preprint, October 31, 2003, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0661/}}}
}