%0 Journal Article %A Miles, E.P. jr. %T The analytic Cauchy problem for the iterated wave equation %J Portugaliae mathematica %D 1959 %P 111-119 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1959__18_2_114816/ %G en %F PORMA_1959__18_2_114816