1. Stable real cohomology of arithmetic groups;Borel;Ann. Sci. École Norm. Sup. 4esérie,1974
2. On the Chern-Weil homomorphism and the continuous cohomology of Lie-groups;Bott;Adv. Math.,1973
3. Lectures on characteristic classes and foliations;Bott,1972
4. R. Bott, H. Shulman, J. Stasheff: On the De Rham theory of certain classifying spaces, to appear in Adv. Math.
5. Notions d'algébre différentielle; application aux groupes de Lie et aux variétés oú opére un groupe de Lie;Cartan,1950