Math 641-600 References
- F. Riesz and B. Sz.-Nagy, Functional Analysis, Ungar
Publishing, New York, 1955.
- G. P. Tolstov, Fourier Series, Dover Publications,
New York, 1976.
- H. J. Wilcox and D. L. Meyers, An Introduction to Lebesgue
Integration and Fourier Series, Dover Publications, New York,
1994.
Here is link to Dover
Publications