Gronau, D.; Matkowski, J. Another characterization of the gamma function. (English) Zbl 1027.33001 Publ. Math. Debr. 63, No. 1-2, 105-113 (2003). MSC: 33B15 39A13 PDFBibTeX XMLCite \textit{D. Gronau} and \textit{J. Matkowski}, Publ. Math. Debr. 63, No. 1--2, 105--113 (2003; Zbl 1027.33001)
Gronau, Detlef; Matkowski, Janusz Geometrically convex solutions of certain difference equations and generalized Bohr-Mollerup type theorems. (English) Zbl 0876.39003 Result. Math. 26, No. 3-4, 290-297 (1994). MSC: 39B12 39B22 33B15 33D05 PDFBibTeX XMLCite \textit{D. Gronau} and \textit{J. Matkowski}, Result. Math. 26, No. 3--4, 290--297 (1994; Zbl 0876.39003) Full Text: DOI
Gronau, Detlef; Matkowski, Janusz Geometrical convexity and generalizations of the Bohr-Mollerup theorem on the gamma function. (English) Zbl 0791.33002 Math. Pannonica 4, No. 2, 153-160 (1993). Reviewer: J.Aczél (Waterloo / Ontario) MSC: 33B15 39B22 39B12 26A51 PDFBibTeX XMLCite \textit{D. Gronau} and \textit{J. Matkowski}, Math. Pannonica 4, No. 2, 153--160 (1993; Zbl 0791.33002) Full Text: EuDML