Wolfgang Burr and Volker Hartung. A characterization of the Σ1-definable functions of KPω + (uniform AC). Archive for mathematical logic, vol. 37 no. 3 (1998), pp. 199–214. - Wolfgang Burr. A Diller—Nahm-style functional interpretation of KPω. Archive for mathematical logic, vol. 39 no. 8 (2000), pp. 599–604.
Reinhard Kähle · Bulletin of Symbolic Logic · 2001
Wolfgang Burr and Volker Hartung. A characterization of the Σ1-definable functions of KPω + (uniform AC). Archive for mathematical logic, vol. 37 no. 3 (1998), pp. 199–214. - Wolfgang Burr. A Diller—Nahm-style functional interpretation of KPω. Archive for mathematical logic, vol. 39 no. 8 (2000), pp. 599–604. - Volume 7 Issue 4