Whittaker, E. T., & Watson, G. N. (1927). A course of modern analysis: An introduction to the general theory of infinite processes and of analytic functions : with an account of the principal transcendental functions / by E. T. .whittaker and G. N. Watson (4th ed.). Cambridge: Cambridge University Pr..

Whittaker, E. T., andfavorite G. N. Watson. A Course of Modern Analysis: An Introduction to the General Theory of Infinite Processes and of Analytic Functions : With an Account of the Principal Transcendental Functions / By E. T. .whittaker and G. N. Watson. 4th ed. Cambridge: Cambridge University Pr., 1927.

Whittaker, E. T., andfavorite G. N. Watson. A Course of Modern Analysis: An Introduction to the General Theory of Infinite Processes and of Analytic Functions : With an Account of the Principal Transcendental Functions / By E. T. .whittaker and G. N. Watson. 4th ed. Cambridge: Cambridge University Pr., 1927.