Liu, Zheng On Gauss type functional equation and mean values by H. Haruki and Th. M. Rassias. (English) Zbl 1027.39007 Stud. Univ. Babeș-Bolyai, Math. 46, No. 4, 75-88 (2001). Summary: In this paper we give a concise review of some recent results on Gauss type functional equations and mean values by H. Haruki and Th. M. Rassias. MSC: 39B22 Functional equations for real functions 39-02 Research exposition (monographs, survey articles) pertaining to difference and functional equations Keywords:Gauss functional equation; monotonic function; power mean PDFBibTeX XMLCite \textit{Z. Liu}, Stud. Univ. Babeș-Bolyai, Math. 46, No. 4, 75--88 (2001; Zbl 1027.39007)