Basic Methods of Linear Functional Analysis (Dover Books on Mathema 1.4tics)

" An introduction to the themes of mathematical analysis, this text is geared toward advanced undergraduate and graduate students. Topics include operators, function spaces, Hilbert spaces, and elementary Fourier analysis. "The author has a delightfully lively style which makes the book very readable, and there are numerous interesting and instructive problems." -- Edinburgh Math Society.1973 edition"--