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Functional analysis. (English) Zbl 0217.16001
Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen. 123. 3rd ed. Berlin-Heidelberg-New York: Springer-Verlag. XI, 475 p. (1971).

46-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to functional analysis
46Bxx Normed linear spaces and Banach spaces; Banach lattices
46A04 Locally convex Fréchet spaces and (DF)-spaces
47A10 Spectrum, resolvent
47A35 Ergodic theory of linear operators
46A22 Theorems of Hahn-Banach type; extension and lifting of functionals and operators