@inbook {Sondermann,
	title = {Robust preferences and convex measures of risk},
	booktitle = {Advances in finance and stochastics. Essays in honour of Dieter Sondermann},
	year = {2002},
	pages = {39{\textendash}56},
	publisher = {Springer{\textendash}Verlag},
	organization = {Springer{\textendash}Verlag},
	author = {Hans F{\"o}llmer and Alexander Schied},
	editor = {Sandmann, K. and Sch{\"o}nbucher, P.}
}
