2005 Artikel Symmetries and pricing of exotic options in Lévy models
Symmetries and pricing of exotic options in Lévy models. In Exotic option pricing and advanced Lévy models, A. Kyprianou, W. Schoutens, P. Wilmott (eds.), Wiley (2005), pp. 99–128 (with A. Papapantoleon) http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470016841.html
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