@Unpublished{K-theory/0805,
  author = 	 {{Victor Petrov , Nikita Semenov , and Kirill Zainoulline }},
  title = 	 {{J-invariant of linear algebraic groups }},
  note = 	 {{Preprint, November 2, 2006, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0805/}}}
}