Cvijović, D. and Klinowski, J. "Closed-Form Summation of Some Trigonometric Series." Math. Comput.64, 205-210, 1995.Edwards,
J. A
Treatise on the Integral Calculus, Vol. 2. New York: Chelsea, p. 290,
1955.Legendre, A. M. Exercices de calcul intégral, tome
1. p. 247, 1811.Lewin, L. "Legendre's Chi-Function."
§1.8 in Dilogarithms
and Associated Functions. London: Macdonald, pp. 17-19, 1958.Lewin,
L. Polylogarithms
and Associated Functions. Amsterdam, Netherlands: North-Holland, pp. 282-283,
1981.Nielsen, N. "Der Eulersche Dilogarithmus und seine Verallgemeinerungen."
Nova Acta Leopoldina, Abh. der Kaiserlich Leopoldinisch-Carolinischen Deutschen
Akad. der Naturforsch.90, 121-212, 1909.