Bulletin of the American Mathematical Society · 1955 · 233 citations · 28 references
Topological SemigroupsTransformation SemigroupsTopological Algebra
28
On the Structure of Semigroups
J. A. Green · Annals of Mathematics · 1951 · 416 citations
Spectral Theory, Topological Semigroups, Abstract Algebra +7
Semigroups Admitting Relative Inverses
A. H. Clifford · Annals of Mathematics · 1941 · 223 citations
Topological Semigroups, Abstract Algebra, Representation Theory +6
Hans Samelson · Bulletin of the American Mathematical Society · 1952 · 219 citations · Full text