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Generalization of sum representation functional equations. II: Generalized directed divergence. (English) Zbl 0468.39007
##### MSC:
 39B99 Functional equations and inequalities 94A17 Measures of information, entropy
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##### References:
 [1] Z. Daróczy: On the measurable solution of a functional equation. Acta Math. Acad. Sci. Hung. 22 (1971), 11-24. [2] Pl. Kannappan: On a functional equation connected with generalized directed divergence. Aeq. Math. 11 (1974), 51-56. · Zbl 0291.39009 [3] Pl. Kannappan P. N. Rathie: On the measurable solution of a functional equation in two variables. (1978). · Zbl 0496.39002 [4] Pl. Kannappan V. Sathyabhama: Generalization of sum representation functional equation - I. (1978). · Zbl 0434.39011 [5] C. T. Ng: On the measurable solutions of the functional equation $$\sum\limits_{i=1}^2 \sum\limits_{j=1}^3 F_{i,j} (p_i q_j) = \sum\limits_{i=1}^2 G_i (p_i) + \sum\limits_{j=1}^3 H_j (q_j)$$. Acta Math. Acad. Sci. Hung. 25 (1974), 249-254. · Zbl 0296.39009 [6] H. Theil: Economics and Information Theory. North-Holland, Amsterdam 1967.
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