Crabb, M. J.; Duncan, J.; McGregor, C. M. Mapping theorems and the numerical radius. (English) Zbl 0241.46046 Proc. Lond. Math. Soc., III. Ser. 25, 486-502 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 46H05 General theory of topological algebras 47A10 Spectrum, resolvent PDF BibTeX XML Cite \textit{M. J. Crabb} et al., Proc. Lond. Math. Soc. (3) 25, 486--502 (1972; Zbl 0241.46046) Full Text: DOI