%0 Journal Article %A G.A., Dougalis, V.A., Serbin, S.M. Baker %T An Approximation Theorem for Second-Order Evolution Equations. %J Numerische Mathematik %D 1980 %P 127-142 %V 35 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1980__35_186281/ %F NUMA_1980__35_186281