Bonsall, F. F., & Duncan, J. (1971). Numerical ranges of operators on normed spaces and of elements of normed algebras. Cambridge University Press.
Dyfyniad Arddull ChicagoBonsall, F. F., and J. Duncan. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. London: Cambridge University Press, 1971.
Dyfyniad MLABonsall, F. F., and J. Duncan. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. Cambridge University Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.