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Asymptotic symmetries and charges at spatial infinity in general relativity. (arXiv:1912.04305v1 [gr-qc]) http://arxiv.org/abs/1912.04305
Asymptotic symmetries and charges at spatial infinity in general relativity. (arXiv:1912.04305v1 [gr-qc]) http://arxiv.org/abs/1912.04305