@inproceedings{KuperbergVB11,
  title = "Quasi-Weak Cost Automata: A New Variant of Weakness",
  author = "Denis Kuperberg and Michael Vanden Boom",
  year = "2011",
  booktitle = "IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2011)",
  month = "December",
  pages = "66-77",
}