%0 Journal Article %A Vladimir Georgescu %A Christian Gérard %A Dietrich Häfner %T Asymptotic completeness for superradiant Klein–Gordon equations and applications to the De Sitter–Kerr metric %J Journal of the European Mathematical Society %D 2017 %P 2371-2444 %V 19 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/720/ %R 10.4171/jems/720 %F JEMS_2017_19_8_a4