1. Borel, A., Wallach, N.: Continuous Cohomology, Discrete Subgroups, and Representations of Reductive Groups. Annals of Mathematics Studies. Princeton University Press, Princeton (1980)
2. Beuzart-Plessis, R.: A local trace formula for the Gan–Gross–Prasad conjecture for unitary groups: the archimedean case. arXiv:1506.01452v2
3. Dixmier, J.: $$C^*$$ C ∗ -Algebra. North-Holland, Amsterdam (1977)
4. Fell, J.M.G., Doran, R.S.: Representations of $$*$$ ∗ -Algebras, Locally Compact Groups, and Banach*-Algebraic Bundles. Academic Press, London (1988)
5. Gan, W.-T., Gross, B., Prasad, D.: Symplectic local root numbers, central critical L values, and restriction problems in the representation theory of classical groups. Sur les conjectures de Gross et Prasad. I. Asterisque No. 346, 1–109 (2012)