積に対するヤングの不等式
Springer. pp. 33–38. ISBN 978-3-0348-9076-2
↑ Hardy, G. H.; Littlewood, J. E.; Pólya, G. (1952) [1934], Inequalities, Cambridge Mathematical Library (2nd ed.), Cambridge: Cambridge University Press, ISBN 0-521-05206-8, MR0046395, Zbl 0047.05302, http://www.cambridge.org/catalogue/catalogue.asp?isbn=9780521358804 , Chapter 4.8
↑ Henstock, Ralph (1988), Lectures on the Theory of Integration, Series in Real Analysis Volume I, Singapore, New Jersey: World Scientific, ISBN 9971-5-0450-2, MR0963249, Zbl 0668.28001 , Theorem 2.9