Abstract
A method is suggested (and applied to the Yang-Mills and gravitational fields) for the construction of the generating functional ( matrix) for fields possessing an invariance group. The unitarity and gauge independence of the matrix on the mass shell are seen explicitly.
- Received 19 January 1970
DOI:https://doi.org/10.1103/PhysRevD.2.2841
©1970 American Physical Society
