Baricz, Árpád; Bhayo, Barkat Ali; Klén, Riku Convexity properties of generalized trigonometric and hyperbolic functions. (English) Zbl 1394.33006 Aequationes Math. 89, No. 3, 473-484 (2015). MSC: 33E20 26A51 26E60 PDFBibTeX XMLCite \textit{Á. Baricz} et al., Aequationes Math. 89, No. 3, 473--484 (2015; Zbl 1394.33006) Full Text: DOI arXiv
Klén, Riku; Vuorinen, Matti; Zhang, Xiaohui Inequalities for the generalized trigonometric and hyperbolic functions. (English) Zbl 1306.33013 J. Math. Anal. Appl. 409, No. 1, 521-529 (2014). MSC: 33C20 PDFBibTeX XMLCite \textit{R. Klén} et al., J. Math. Anal. Appl. 409, No. 1, 521--529 (2014; Zbl 1306.33013) Full Text: DOI arXiv