1. Note on the existence of most general semi-unifiers;Baaz,1993
2. Kreisel’s conjecture for L∃1;Baaz,1993
3. Algorithmic structuring of cut-free proofs;Baaz,1993
4. Short Proofs of Tautologies Using the Schema of Equivalence;Baaz,1994
5. L’architecture des mathématiques: La mathématique ou les mathématiques;Bourbaki,1948