@article{multiattributeproportionalrepresentation,
  title = {Multi-Attribute Proportional Representation},
  author = {Jerome Lang and Piotr Skowron},
  year = {2015},
  eprint = {1509.03389},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1509.03389v2},
}