1. Andreas Abel and Thorsten_Altenkirch. A predicative analysis of structural recursion. Submitted to the Journal of Functional Programming, December 1999.
2. Andreas Abel. foetus-termination checker for simple functional programs.
http://www.informatik.uni-muenchen.de/~abel/foetus/
, 1998.
3. Andreas Abel. A semantic analysis of structural recursion. Master’s thesis, Ludwig-Maximilians-University Munich, 1999.
http://www.informatik.uni-muenchen.de/~abel/publications/
.
4. Frédéric Blanqui, Jean-Pierre Jouannaud, and Mitsuhiro Okada. Inductive data type systems. To appear in Theoretical Computer Science, 2000.
5. Ulrich Berger and Helmut Schwichtenberg. Program Development by Proof Transformation. Talk at Marktoberdorf, draft available under
http://www.mathematik.uni-muenchen.de/~schwicht/
, 1993.