1. Compact Convex Sets and Boundary Integrals;Alfsen,1971
2. Subalgebras of C∗-algebras, I;Arveson;Acta Math.,1969
3. Subalgebras of C∗-algebras, II;Arveson;Acta Math.,1972
4. The Banach Space C(S);Bade;Aarhus University Lecture Notes Series No. 26,1971
5. On the closure of the numerical range of an operator;Berberian,1967