1. Bounded analytic functions;Ahlfors;Duke Math. J.,1947
2. Conformal invariants and function theoretic null sets;Ahlfors;Acta Math.,1950
3. A minimal boundary for function algebras;Bishop;Pacific J. Math.,1959
4. Factorization theorems for Banach algebras;Curtis,1966
5. Approximation on closed regions and zero sets;Dolzhenko;Soviet Math. Dokl.,1962