An equivalence theorem for inverse semigroups.
An extension theorem of functionals on commutative semigroups
Any distributive lattice is determined by a semigroup from a certain class.
Archimedean classes in an ordered semigroup. IV
Arithmetical theory of monoid homomorphisms.
Atomicity of tolerance lattices of commutative semigroups
Atomistic congruence lattices of semilattices.
Automorphism invariants for semigroups.
Automorphisms of polynomial semigroups.
Automorphisms of the semigroup of finite complexes of locally finite groups.
Balanced order relations on completely simple semigroups.
Basic study of ...-semigroups and their homomorphisms.
Basic study of ....-semigroups and their homomorphisms II.
Binary words avoided by the Thue-Morse sequence.
Bisimple semigroups with idempotents well-ordered.
*-Bisimple type A w-semigroups-1.
Building semigroups from groups (and reduced semigroups).
Cauchy's functional equation on semigroups
Centralizer near-rings determined completely regular inverse semigroups.
Certain subsemigroups of orthodox semigroups.