%0 Journal Article %A Görtz, Peter %A Scherer, Rudolf %T Reducibility and characterization of symplectic Runge-Kutta methods %J Electronic transactions on numerical analysis %D 1994 %P 194-204 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_1994__2__a0/ %G en %F ETNA_1994__2__a0