@article{bsrisuserassociationandbeamforming,
  title = {BS-RIS-User Association and Beamforming Designs for RIS-aided Cellular Networks},
  author = {Sifan Liu and Pengfei Ni and Rang Liu and Yang Liu and Ming Li and Qian Liu},
  year = {2021},
  eprint = {2106.14197},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.14197v1},
}