Czichowsky, Christoph ; Schachermayer, Walter ; Yang, Junjian. / Shadow prices for continuous processes. in: Mathematical Finance: an international journal of mathematics, statistics and financial economics. 2017 ; Band 27, Nr. 3. S. 623-658.
Schichl, Hermann ; Domes, Ferenc ; Montanher, Tiago de Morais et al. / Interval unions. in: BIT Numerical Mathematics. 2017 ; Band 57, Nr. 2. S. 531–556.