TY - BOOK AU - Das,Ashok TI - Field theory: a path integral approach SN - 9810213964 AV - QC174.52.P37 D37 1993 U1 - 530.1/41 20 PY - 1993/// CY - Singapore, River Edge, NJ PB - World Scientific KW - Path integrals KW - Quantum field theory N1 - Includes bibliographical references and index ER -