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General Recursion Theory
by Jens E. Fenstad, R. O. Gandy (Editor), Hans Hermes (Editor), A. Levy (Editor), G. H. Müller (Editor), G. E. Sacks (Editor), D. S. Scott (Editor)
Numbers
by Heinz-Dieter Ebbinghaus (Editor), Hans Hermes (Editor), Friedrich Hirzebruch (Editor)