@article{pointmcbertamultichoiceselfsupervised,
  title = {Boosting Point-BERT by Multi-choice Tokens},
  author = {Kexue Fu and Mingzhi Yuan and Manning Wang},
  year = {2022},
  eprint = {2207.13226},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.13226v2},
}