On the green’s functions associated to the wigner’s little group

This publication has 3 references indexed in Scilit:

• On the Contraction of Groups and Their Representations
  Proceedings of the National Academy of Sciences, 1953
• Irreducible Unitary Representations of the Lorentz Group
  Annals of Mathematics, 1947
• On Unitary Representations of the Inhomogeneous Lorentz Group
  Annals of Mathematics, 1939