Ng, C. T.; Nikodem, K. On approximately convex functions. (English) Zbl 0823.26006 Proc. Am. Math. Soc. 118, No. 1, 103-108 (1993). Reviewer: J.Aczél (Waterloo/Ontario) MSC: 26A51 26B25 39B72 PDFBibTeX XMLCite \textit{C. T. Ng} and \textit{K. Nikodem}, Proc. Am. Math. Soc. 118, No. 1, 103--108 (1993; Zbl 0823.26006) Full Text: DOI
Nikodem, Kazimierz On some class of midconvex functions. (English) Zbl 0706.39004 Ann. Pol. Math. 50, No. 2, 145-151 (1989). Reviewer: J.Aczél MSC: 39B22 26A51 39B72 PDFBibTeX XMLCite \textit{K. Nikodem}, Ann. Pol. Math. 50, No. 2, 145--151 (1989; Zbl 0706.39004) Full Text: DOI