Virgile Prevosto. Certified mathematical hierarchies: the FoCal system. In Thierry Coquand, Henri Lombardi, Marie-Françoise Roy, editors, Mathematics, Algorithms, Proofs, 9.-14. January 2005. Volume 05021 of Dagstuhl Seminar Proceedings, Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany, 2005. [doi]
Abstract is missing.