%0 Journal Article %A Müller, Detlef %T Functional calculus of Lie groups and wave propagation %J Documenta mathematica %D 1998 %P 679-689 %V ICM Berlin 1998, Vol. II %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a17/ %G en %F DOCMA_1998__S8__a17