Semigroup Forum · 2005 · 11 citations · 5 references
Natural SciencesProperty LawInterior FinishesCovering SpacesGroup TheorySemigroup Theory
5
Semigroups and ordered categories. I. The reduced case
Mark V. Lawson · Journal of Algebra · 1991 · 153 citations
A CLASS OF RIGHT <i>PP</i> MONOIDS
John Fountain · The Quarterly Journal of Mathematics · 1977 · 74 citations