Catarino, P., Higgins, P., & Levi, I. (2015). On inverse subsemigroups of the semigroup of orientation-preserving or orientation-reversing transformations. Algebra and Discrete Mathematics.
Chicago-Zitierstil (17. Ausg.)Catarino, P., P.M Higgins, und I. Levi. "On Inverse Subsemigroups of the Semigroup of Orientation-preserving or Orientation-reversing Transformations." Algebra and Discrete Mathematics 2015.
MLA-Zitierstil (8. Ausg.)Catarino, P., et al. "On Inverse Subsemigroups of the Semigroup of Orientation-preserving or Orientation-reversing Transformations." Algebra and Discrete Mathematics, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.