TY - BOOK AU - Rivers,R.J. TI - Path integral methods in quantum field theory T2 - Cambridge monographs on mathematical physics SN - 0521368707 U1 - 530.145 PY - 1988/// CY - Cambridge PB - Cambridge University Press KW - Κβαντική θεωρία πεδίων N1 - Includes references and index ER -