Center of mass integral in canonical general relativity

@article{Baskaran2003CenterOM,
  title={Center of mass integral in canonical general relativity},
  author={Deepak Baskaran and Stephen R. Lau and Arizona State and Cardiff and Chapel Hill},
  journal={Annals of Physics},
  year={2003},
  volume={307},
  pages={90-131}
}

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