ISBN-13: 9780486406817 / Angielski / Miękka / 2013 / 114 str.
Geared toward mathematicians already familiar with the elements of Lebesgue's theory of integration, this classic text begins with a brief introduction to some generalities of trigonometrical series. Discussions of the Fourier series in Hilbert space lead to an examination of further properties of trigonometrical Fourier series and related subjects.