1. HOLDER, O., Über einen Mittelwerthssatz, Götting Nachr. 1889, 38–47.
2. HARDY, G. H., J. E. Littlewood and G. Pôlya, “Inequalities”, Cambridge, 1934, 1952, 1967.
3. HADWIGER, H., Aufgabe
634, Elem. Math. 26 (1971), 138.
4. BECKENBACH, E. F. and R. BELLMAN, “Inequalities,” Berlin-HeidelbergNew York, 1965.
5. FINK, A. M. and MAX JODEIT, Jr. On Chebyshev’s other inequality, Inequalities in Statistics and Probability, Lecture Notes IMS, 5 (1984), 115–120.