@article{PhysRevLett.114.190401,
  title = {Family of Bell-like Inequalities as Device-Independent Witnesses for Entanglement Depth},
  author = {Liang, Yeong-Cherng and Rosset, Denis and Bancal, Jean-Daniel and P\"utz, Gilles and Barnea, Tomer Jack and Gisin, Nicolas},
  journal = {Phys. Rev. Lett.},
  volume = {114},
  issue = {19},
  pages = {190401},
  numpages = {6},
  year = {2015},
  month = {May},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevLett.114.190401},
  url = {https://link.aps.org/doi/10.1103/PhysRevLett.114.190401}
}