@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},
}