@unpublished{LeMaWe2004,
	Author = {M. Leok and {J. E.} Marsden and A. Weinstein},
	Title = {A Discrete Theory of Connections on Principal Bundles},
	Eprint = {\texttt{arXiv:math.DG/0508338}},
	Note = {(preprint, \href{http://arxiv.org/math.DG/0508338}{\tt arXiv:math.DG/0508338})},
	Year = {2004},
}