Rygiel, A. (2018). Super-replication of European Options with Convex Payoff under Proportional Transaction Costs. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, 10(970), 91-99. https://doi.org/10.15678/ZNUEK.2017.0970.1007