Unitarity violation in non-abelian Pauli-Villars regularization

@article{Len1995UnitarityVI,
  title={Unitarity violation in non-abelian Pauli-Villars regularization},
  author={Juan Le{\'o}n and Carolina Paula Martin and Fernando Ru{\'i}z Ru{\'i}z},
  journal={Physics Letters B},
  year={1995},
  volume={355},
  pages={531-538}
}

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