1 Abu-Muhanna Y. Support points of the unit ball of Hp(1 p ). Proc Am Math Soc, 1983,89: 229-235
2 Hallenbeck D J, MacGregor T H. Linear problems and convexity techniques in geometric function theory.Boston:Pitman Advanced Publishing Program, 1984
3 deLeeuw K, Rudin W. Extreme points and extremum problems in H1. Pacific J Math, 1958,8: 467-485
4 Brown L, Shields A L. Cyclic vectors in the Dirichlet space. Trans Am Math Soc, 1984,285: 269-304
5 Aharonov D, Shapiro H S, Shields A L. Weakly invertible elements in the space of square-summableholomorphic functions. J London Math Soc, 1974,9: 183-192
6 Taylor A E, Lay D C. Introduction to functional analysis. 135. New York: John Wiley & Sons, 1980 |