Handbook of Generalized Convexity and Generalized Monotonicity - Hadjisavvas, N.; Hadjisavvas, Nicolas; Komlosi, S.; KomlÃ³si, SÃ¡ndor; Schaible, Siegfried; Komlósi, Sándor; Schaible, Siegfried S. (Dordrecht Springer New York, 2005)