1. Simple C∗-algebras generated by isometries;Cuntz;Comm. Math. Phys.,1977
2. Compact Lie groups associated with endomorphisms of C∗-algebras;Doplicher;Bull. Amer. Math. Soc.,1984
3. Weighted shifts and covariance algebras;O'Donovan;Trans. Amer. Math. Soc.,1975
4. O. Bratteli and D. E. Evans, Derivations tangential to compact groups: The nonAbelian case, Proc. London Math. Soc., in press.
5. Elements of the Theory of Representations;Kirillov,1976