@misc{zanelli1994quantization,
  title={Quantization of the Gravitational Constant in Odd-Dimensional Gravity},
  author={J. Zanelli},
  year={1994},
  eprint={hep-th/9406202},
  archivePrefix={arXiv},
  primaryClass={hep-th},
  doi={10.1103/PhysRevD.51.490},
  url={https://arxiv.org/abs/hep-th/9406202}
}