1. A.Browder, Introduction to Function Algebras. New York 1969.
2. J. A. Cima andJ. Thomson, On strong extreme points inH p . Duke Math. J.40, 529?532 (1973).
3. T. W.Gamelin, Uniform Algebras. Englewood Cliffs 1969.
4. J. B.Garnett, Bounded Analytic Functions. New York 1981.
5. M. v. Renteln, Strong extreme points in ideals of some Banach algebras of analytic functions. Mitt. Math. Sem. Giessen121, 71?74 (1976).