The Art of the Infinite: The Pleasures of Mathematics

An Introduction to Laplace Transforms and Fourier Series (Springer Undergraduate Mathematics Series)

Harmonic Analysis on the Heisenberg Group (Progress in Mathematics, 159)

Infinite Series (Dover Books on Mathematics)

Discrete Harmonic Analysis: Representations, Number Theory, Expanders, and the Fourier Transform (Cambridge Studies in Advanced Mathematics, Series Number 172)

Fourier Restriction, Decoupling, and Applications (Cambridge Studies in Advanced Mathematics, Series Number 184)

Infinite Sequences and Series (Dover Books on Mathematics)

Measure and Integration (Springer Undergraduate Mathematics Series)

Harmonic Analysis on Finite Groups: Representation Theory, Gelfand Pairs and Markov Chains (Cambridge Studies in Advanced Mathematics, Series Number 108)

An Introduction to Non-Harmonic Fourier Series, Revised Edition, 93