1. Spectral properties of Schrödinger operators and scattering theory;Agmon;Ann. Sc. Norm. Super. Pisa, Cl. Sci. (4),1975
2. Spectral theory of Schrödinger operators on Euclidean and on non-Euclidean spaces;Agmon;Commun. Pure Appl. Math.,1986
3. The spectrum of Kleinian manifolds;Bunke;J. Funct. Anal.,2000
4. Branching theorems for semisimple Lie groups of real rank one;Baldoni Silva;Rend. Semin. Mat. Univ. Padova,1979
5. The unitary dual of Sp(n,1), n≥2;Baldoni Silva;Duke Math. J.,1981