1. Cerreia-Vioglio S, Maccheroni F, Marinacci M, Montrucchio L (2009) Complete monotone quasiconcave duality. Math Oper Res 36:321–339
2. Cerreia-Vioglio S, Maccheroni F, Marinacci M, Montrucchio L (2010) Risk measures: rationality and diversification. Math Financ 21:743–774
3. Crouzeix JP (1977) Contributions à l’étude des fonctions quasiconvexes. PhD thesis, Université de Clermont II, Aubière
4. Crouzeix JP (1981) Continuity and differentiability properties of quasiconvex functions on
$$\mathbb {R}^{n}$$
. In: Schaible S, Ziemba WT (eds) Generalized concavity in optimization and economics. Academic Press, New York, pp 109–130
5. Crouzeix JP (1983) Duality between direct and indirect utility functions. Differentiability properties. J Math Econ 12:149–165