Bonsall, F., & Duncan J. (1971). Numerical ranges of operators on normed Spaces and of elements of normed algebras. Cambridge Uty. Press.
Chicago Edition CitationBonsall, F.F, and Duncan J. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. Cambridge Uty. Press, 1971.
MLA Edition CitationBonsall, F.F, and Duncan J. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. Cambridge Uty. Press, 1971.
Warning: These citations may not always be 100% accurate.