共 50 条
- [33] Approximations to the numerical range of an element of a Banach algebra From Sets and Types to Topology and Analysis: TOWARDS PRACTICABLE FOUNDATIONS FOR CONSTRUCTIVE MATHEMATICS, 2005, 48 : 293 - 303
- [35] When is the Range of a Multiplier on a Banach Algebra Closed? Mathematische Zeitschrift, 2006, 254 : 715 - 728