%0 Journal Article %A Miles, E.P. jr. %A Williams, Ernest %T The Cauchy problem for the damped wave equation with polyharmonic initial conditions %J Portugaliae mathematica %D 1958 %P 53-57 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1958__17_1_114800/ %G en %F PORMA_1958__17_1_114800