Covariant theory of asymptotic symmetries, conservation laws and central charges

@article{Barnich2001CovariantTO,
  title={Covariant theory of asymptotic symmetries, conservation laws and central charges},
  author={Glenn Barnich and Friedemann Brandt},
  journal={Nuclear Physics},
  year={2001},
  volume={633},
  pages={3-82}
}

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