%0 Journal Article %A Savin, Anton %A Schrohe, Elmar %T An index formula for groups of isometric linear canonical transformations %J Documenta mathematica %D 2022 %P 983-1013 %V 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2022__27__a41/ %G en %F DOCMA_2022__27__a41