@Unpublished{K-theory/0015,
  author = 	 {{Jean-Louis Loday}},
  title = 	 {{Cup-product for Leibniz cohomology}},
  note = 	 {{Preprint, June 3, 1994, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0015/}}}
}