A characterization of $C(K)$ among the uniform algebras containing $A(K)$ Alexander Izzo uniform algebrasfunction algebrasholomorphic and harmonic functions Indiana University Mathematics Journal 1997 text pdf 10.1512/iumj.1997.46.1410 10.1512/iumj.1997.46.1410 en Indiana Univ. Math. J. 46 (1997) 771 - 788 state-of-the-art mathematics http://iumj.org/access/