Aczél, J., and Daróczy, Z. (1975). On Measures of Information and Their Characterizations (Academic Press, New York, 1975).
Bickel, P. J., and Doksum, K. A. (1977). Mathematical Statistics (Prentice-Hall, Englewood Cliffs, N.J.), p. 225.
Cargo, G. T., and Shisha, O. (1970). In Inequalities II, O. Shisha, ed. (Academic Press, New York), pp. 163–178.
Good, I. J. (1952). J. Roy. Stat. Soc. B 14, 107–114.
Hardy, G.H., Littlewood, J. E., and Pólya, G. (1952). Inequalities, 2nd ed., Cambridge University Press, Cambridge, §3.4.
Keynes, J. M. (1921). A Treatise on Probability (St. Martin' s Press, New York), pp. 218–228.
Kullback, S. (1959). Information Theory and Statistics (Wiley, New York), Ch. 1.
Lavenda, B. H. (1991). Statistical Physics: A Probabilistic Approach (Wiley-Interscience, New York), Ch. 1.
Marshall, A. W., Olkin, I., and Proschan, F. (1967). In Inequalities, O. Shisha, ed. (Academic Press, New York), pp. 177–190.
Marshall, A. W., and Olkin, I. (1979). Inequalities: Theory of Majorization and its Applications (Academic Press, New York), p. 71.
Rudin, W. (1973). Functional Analysis (McGraw-Hill, New York), p. 24.