EDWIN Julio VARGAS Sanchez
Institut fuer theoretische Physik
Universitaet Karlsruhe, Kaiserstr. 12
D - 76128 Karlsruhe, GERMANY
ev@itpaxp1.physik.uni-karlsruhe.de
Abstract
A computer algebraic algorithm for the evaluation of functional derivatives in the path integral approach is applied to calculate the terms in a finite perturbative expansion of the generating functional and its Green functions for simple models in particle physics.