Matkowski, Janusz; Zgraja, Tomasz A separation theorem for \(M_{\phi}\)-convex functions. (English) Zbl 0929.26008 Math. Pannonica 9, No. 1, 103-109 (1998). MSC: 26A51 39B72 PDFBibTeX XMLCite \textit{J. Matkowski} and \textit{T. Zgraja}, Math. Pannonica 9, No. 1, 103--109 (1998; Zbl 0929.26008) Full Text: EuDML
Baron, Karol; Matkowski, Janusz; Nikodem, Kazimierz A sandwich with convexity. (English) Zbl 0803.39011 Math. Pannonica 5, No. 1, 139-144 (1994). Reviewer: P.Talpalaru (Iaşi) MSC: 39B72 26A51 PDFBibTeX XMLCite \textit{K. Baron} et al., Math. Pannonica 5, No. 1, 139--144 (1994; Zbl 0803.39011) Full Text: EuDML
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