APA (7th ed.) Citation

Koppenhagen, U., & Mayr, E. W. (1995). The complexity of the boundedness, coverability, and selfcoverability problems for commutative semigroups.

Chicago Style (17th ed.) Citation

Koppenhagen, Ulla, and Ernst W. Mayr. The Complexity of the Boundedness, Coverability, and Selfcoverability Problems for Commutative Semigroups. München, 1995.

MLA (9th ed.) Citation

Koppenhagen, Ulla, and Ernst W. Mayr. The Complexity of the Boundedness, Coverability, and Selfcoverability Problems for Commutative Semigroups. 1995.