1. The similarity problem for representations of C∗-algebras;Bunce,1981
2. On non selfadjoint representations of operator algebras;Christensen;Amer. J. Math.,1981
3. Uniformly bounded representations of groups;Ehrenpreis,1955
4. Einige Bemerkungen über vollsymmetrische Banachsche Algebren;Fell;Arch. Math.,1961
5. Solution of the similarity problem for cyclic representations of C∗-algebras;Haagerup;Ann. of Math.,1983