@inproceedings{KuperbergVB12,
  title = "On the Expressive Power of Cost Logics over Infinite Words",
  author = "Denis Kuperberg and Michael Vanden Boom",
  year = "2012",
  booktitle = "39th International Colloquium on Automata, Languages, and Programming (ICALP (2) 2012)",
  month = "July",
  pages = "287-298",
}