@article{aij/guarantees,
  author   = {Martin Lackner and Piotr Skowron},
  title    = {Utilitarian Welfare and Representation Guarantees of Approval-Based Multiwinner Rules},
  journal  = {Artificial Intelligence},
  year     = {2020},
  volume   = {288},
  pages    = {103366},
  issn     = {0004-3702},
}