Kannappan, PL. On a generalization of sum form functional equation. III. (English) Zbl 0468.39005 Demonstr. Math. 13, 749-754 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 6 Documents MSC: 39B99 Functional equations and inequalities 94A17 Measures of information, entropy Keywords:sum form functional equation; measurable solutions PDF BibTeX XML Cite \textit{PL. Kannappan}, Demonstr. Math. 13, 749--754 (1980; Zbl 0468.39005)