TY - BOOK AU - Deligne, Pierre. et al Eds. TI - Quantum Fields and Strings: Course for Mathematicians-Vols.I& II SN - 0 8218 1987 9 (Pt.I); 0 8218 1988 7 (Pt.2) CY - USA KW - Quantum Field Theory KW - String Models KW - Mathematical Physics ER -