Freek Wiedijk. Formal Proof Sketches. In Stefano Berardi, Mario Coppo, Ferruccio Damiani, editors, Types for Proofs and Programs, International Workshop, TYPES 2003, Torino, Italy, April 30 - May 4, 2003, Revised Selected Papers. Volume 3085 of Lecture Notes in Computer Science, pages 378-393, Springer, 2003. [doi]
Abstract is missing.