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Functional analysis. An introduction. (English) Zbl 0261.46001

46-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to functional analysis
46Cxx Inner product spaces and their generalizations, Hilbert spaces
47H10 Fixed-point theorems
46Axx Topological linear spaces and related structures
47A10 Spectrum, resolvent
47A35 Ergodic theory of linear operators
46Bxx Normed linear spaces and Banach spaces; Banach lattices
47B15 Hermitian and normal operators (spectral measures, functional calculus, etc.)