1. [Bo 1] Borel, A.: Stable real cohomology of arithmetic groups. Ann. Sci. Ec. Norm. Super. (4)7: 235?272 (1974)
2. [Bo 2] Borel, A.: Stable real cohomology of arithmetic groups II. Prog. Math. Boston14: 21?55 (1981)
3. [Bo 3] Borel, A.: Cohomologie de sous-groupes discrets et représentations de groupes semi-simples. Astérisque32?33: 73?112 (1976)
4. [B-S] Borel, A., Serre, J-P.: Corners and arithmetic groups Comment. Math. Helv.48: 436?491 (1973)
5. [B-W] Borel, A., Wallach, N.: Continuous cohomology, discrete subgroups, and representations of reductive groups. Ann. Math. Stud., Princeton University Press, 1980