Referências: |
Peskin, M. E Schroeder, D. An Introduction to Quantum Field Theory, 1a ed., A. Wesley, Reading, 1995.Itzykson, C. e Zuber, J-B, Quantum Field Theory, 1a ed., McGraw-Hill, New York, 1980.Weinberg, S. The Quantum Theory of Fields, Vol I. 1a ed. Cambridge U. P., Cambridge, 1995. |