Volkmann, Peter; Weigel, Herbert Systeme von Funktionalgleichungen. (German) Zbl 0458.39004 Arch. Math. 37, 443-449 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 39B52 Functional equations for functions with more general domains and/or ranges 39B62 Functional inequalities, including subadditivity, convexity, etc. Keywords:systems; functional equations on abstract structures; bisymmetry equation Citations:Zbl 0402.46003 PDFBibTeX XMLCite \textit{P. Volkmann} and \textit{H. Weigel}, Arch. Math. 37, 443--449 (1981; Zbl 0458.39004) Full Text: DOI References: [1] J.Aczél, Lectures on functional equations and their applications. New York-San Francisco-London 1966 (Übersetzung aus dem Deutschen). [2] G. Rodé, Eine abstrakte Version des Satzes von Hahn-Banach. Arch. Math.31, 474-481 (1978). · Zbl 0402.46003 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.