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Jäger, Gerhard Max; Kahle, Reinhard; Setzer, Anton; Strahm, Thomas Adrian (1999). The proof-theoretic analysis of transfinitely iterated fixed point theories. The journal of symbolic logic, 64(01), pp. 53-67. Cambridge University Press 10.2307/2586750
Jäger, Gerhard (2022). Simplified cut elimination for Kripke-Platek set theory. In: Ferreira, Fernando; Kahle, Reinhard; Sommaruga, Giovanni (eds.) Axiomatic Thinking II (pp. 9-34). Springer 10.1007/978-3-030-77799-9_2
Bärtschi, Michael; Jäger, Gerhard Max (2020). Having a look again at some theories of proof-theoretic strengths around Γ₀. In: Kahle, Reinhard; Rathjen, Michael (eds.) The Legacy of Kurt Schütte (pp. 103-128). Cham: Springer 10.1007/978-3-030-49424-7_9
Jäger, Gerhard; Probst, Dieter (2015). A Proof-Theoretic Analysis of Theories for Stratified Inductive Definitions. In: Kahle, Reinhard; Rathjen, Michael (eds.) Gentzen's Centenary - The Quest for Consistency (pp. 425-454). Springer 10.1007/978-3-319-10103-3_15
Kahle, Reinhard; Strahm, Thomas Adrian; Studer, Thomas (eds.) (2016). Advances in Proof Theory. Progress in Computer Science and Applied Logic: Vol. 28. Cham: Springer International Publishing 10.1007/978-3-319-29198-7
