1. The Quantum Theory of Fields;Weinberg,1995
2. Quantum Field Theory;Ryder,1996
3. For a recent review and references to original works, see, e.g. E.V. Stefanovich, Relativistic Quantum Theory of Particles, Lambert Academic, Saarbrücken, 2015.
4. On Unitary Representations of the Inhomogeneous Lorentz Group
5. Lie Groups, Lie Algebras, and Representations;Hall,2015