Fourier Series - Hardy, G H, and Hardy, and Rogosinski, W W

Classic graduate-level text discusses the Fourier series in Hilbert space, examines further properties of trigonometrical Fourier series, and concludes with a detailed look at the applications of previously outlined theorems. 1956 edition.

Fourier Series 2013, Dover Publications, Mineola, NY

ISBN-13: 9780486406817

Revised edition

Trade paperback

Fourier Series 1956, Cambridge University Press, Cambridge

ISBN-13: 9780521052085