@article{relaxedbearingrigidityandbearing,
  title = {Relaxed bearing rigidity and bearing formation control under persistence of excitation},
  author = {Zhiqi Tang and Rita Cunha and Tarek Hamel and Carlos Silvestre},
  year = {2021},
  eprint = {2103.06024},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.06024v2},
}