Schutte, K., & Crossley, J. (1977). Proof theory. Springer-Verlag.
Chicago Edition CitationSchutte, Kurt, and J.N Crossley. Proof Theory. New York: Springer-Verlag, 1977.
Deismireacht MLASchutte, Kurt, and J.N Crossley. Proof Theory. Springer-Verlag, 1977.
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