%0 Journal Article %A Anton Savin %A Elmar Schrohe %T An index formula for groups of isometric linear canonical transformations %J Documenta mathematica %D 2022 %P 983-1013 %V 27 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/890/ %R 10.4171/dm/890 %F 10_4171_dm_890