%0 Journal Article %A W.M. Goldman %T Invariant functions on Lie groups and Hamiltonian flows of surface group representations. %J Inventiones mathematicae %D 1986 %P 263-302 %V 85 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1986__85_143369/ %F IM_1986__85_143369