1. Spectral theory of elementary operators;Curto,1992
2. A joint spectral characterization of primeness for C∗-algebras;Curto;Proc. Amer. Math. Soc.,1997
3. Joint spectral characterizations of primeness for C∗ algebras;Jin;Int. J. Appl. Math. Stat.,2009
4. M. Mathieu, Applications of ultraprime Banach algebras in the theory of elementary operators, Ph.D. Thesis, Univ. Tubingen, 1986.
5. A joint spectrum for several commuting operators;Taylor;J. Funct. Anal.,1970