1. T.D. Lee and G.C. Wick, Finite theory of quantum electrodynamics, Phys. Rev. D 2 (1970) 1033 [ INSPIRE ].
2. T.D. Lee and G.C. Wick, Negative metric and the unitarity of the S matrix, Nucl. Phys. B 9 (1969) 209 [ INSPIRE ].
3. B. Grinstein, D. O’Connell and M.B. Wise, The Lee-Wick standard model, Phys. Rev. D 77 (2008) 025012 [ arXiv:0704.1845 ] [ INSPIRE ].
4. J.R. Espinosa and B. Grinstein, Ultraviolet properties of the Higgs sector in the Lee-Wick standard model, Phys. Rev. D 83 (2011) 075019 [ arXiv:1101.5538 ] [ INSPIRE ].
5. R.E. Cutkosky, P.V. Landshoff, D.I. Olive and J.C. Polkinghorne, A non-analytic S matrix, Nucl. Phys. B 12 (1969) 281 [ INSPIRE ].