01478nam a2200361 i 450099100119170970753620020507184939.0951026s1971 uk ||| | eng 0521079888b1081355x-39ule_instLE01308469ExLDip.to Matematicaeng512.55AMS 47A12Bonsall, Frank F.45063Numerical ranges of operators on normed spaces and of elements of normed algebras /F. F. Bonsall and J. DuncanLondon :Cambridge University Press,1971[2], ii, 142 p. 23 cmLondon Mathematical Society lecture note series,0076-0552 ;2Continued by the authors' Numerical ranges IIBibliography: p. 131-136Banach algebrasLinear operatorsNormed linear spacesNumerical rangeDuncan, Jackson.b1081355x18-01-1828-06-02991001191709707536LE013 47A BON11 (1971)12013000038551le013-E0.00-l- 01010.i1091923528-06-02LE013 Fondo Moscatelli 47A BON11 (1971)12013000228686le013gE50.00-l- 00000.i1582928518-01-18Numerical ranges of operators on normed spaces and of elements of normed algebras1495520UNISALENTOle01301-01-95ma -enguk 01