LEA

BibTex

@techreport{KM-1995,
  author={Koppenhagen, Ulla and Mayr, Ernst W.},
  title={The Complexity of the Boundedness, Coverability, and Selfcoverability Problems for Commutative Semigroups},
  number={TUM-I9518},
  institution={Institut f{\"u}r Informatik, TU M{\"u}nchen},
  month={May},
  year={1995}
}