1. T. M. Apostol, Calculus, Volume 2, second edition, Wiley, 1969.
2. E. R. Hansen, A Table of Series and Products, Prentice-Hall, 1975.
3. K. Rogers, Advanced Calculus, Merrill, 1976.
4. E. T. Whittaker and G. N. Watson, A Course of Modern Analysis, Fourth Edition, Cambridge, 1927.