The Clausen Function
See also Clausen Function
References
Abramowitz, M. and Stegun, C. A. (Eds.).
Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing.
New York: Dover, pp. 1005-1006, 1972.
Ashour, A. and Sabri, A. ``Tabulation of the Function
.'' Math. Tables
Aids Comp. 10, 54 and 57-65, 1956.
Clausen, R. ``Über die Zerlegung reeller gebrochener Funktionen.'' J. reine angew. Math. 8, 298-300, 1832.