Abramowitz, M. and Stegun, I. A. (Eds.). Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing.
New York: Dover, p. 11, 1972.Gradshteyn, I. S. and Ryzhik,
I. M. Tables
of Integrals, Series, and Products, 6th ed. San Diego, CA: Academic Press,
pp. 1092 and 1099, 2000.Hardy, G. H.; Littlewood, J. E.;
and Pólya, G. "Hölder's Inequality and Its Extensions." §2.7
and 2.8 in Inequalities,
2nd ed. Cambridge, England: Cambridge University Press, pp. 21-26, 1988.Hölder,
O. "Über einen Mittelwertsatz." Göttingen Nachr., 38-47,
1889.Riesz, F. "Untersuchungen über Systeme integrierbarer
Funktionen." Math. Ann.69, 456, 1910.Riesz, F. "Su
alcune disuguaglianze." Boll. Un. Mat. It.7, 77-79, 1928.Rogers,
L. J. "An Extension of a Certain Theorem in Inequalities." Messenger
Math.17, 145-150, 1888.Sansone, G. Orthogonal
Functions, rev. English ed. New York: Dover, pp. 32-33, 1991.