%0 Journal Article %A Robert McLachlan %T Symplectic integration of Hamiltonian wave equations. %J Numerische Mathematik %D 1993 %P 465-492 %V 66 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1993__66_3_133773/ %F NUMA_1993__66_3_133773