TY - BOOK AU - Aczel, Peter AU - Weiner, Stanley S. TI - PROOF THEORY SN - 052141413X U1 - 511.3 PY - 1990/// CY - Cambridge PB - Cambridge Univ. Pr. KW - Proof Theory -- Cong N1 - Collection Of Papers Presented At An International Summer School & Confereence On Proof Theory, Held At Leeds, 1990 ER -