1. Elliptic operators, discrete groups, and von Neumann algebras;Atiyah;Astérisque,1976
2. L2-index and the Selberg trace formula;Barbasch;J. Funct. Anal.,1983
3. Continuous cohomology, discrete subgroups, and representations of reductive groups;Borel,2000
4. On the characteristic numbers of complete manifolds of bounded curvature and finite volume;Cheeger,1985
5. On a theorem of Osborne and Warner. Multiplicities in the cuspidal spectrum;DeGeorge;J. Funct. Anal.,1982