On the categori-city of semigroup-theoretical properties. B.P. jr. Brooks, W.E. Clark (1971) Semigroup forum
On the characterization of semilattices satisfying the descending chain condition and some remarks on distinguishing subsets Josef Zapletal (1974) Archivum Mathematicum
On the Frattini Ideal in a Certain Class of Semigroups Joseph E. Kuczkowski (1972) Matematický časopis
On the kernel of the wreath product of completely simple semigroups. S. Nakajima (1979) Semigroup forum
On the lattice of completely-simple congruences on a Croisot-Tessier semigroup. B.W. Mielke (1979) Semigroup forum
On the maximal semilattice decomposition of the power semigroup of a semigroup. M.S. Putcha (1977/1978) Semigroup forum
On the probability that two elements of a finite semigroup have the same right matrix Attila Nagy, Csaba Tóth (2022) Commentationes Mathematicae Universitatis Carolinae We study the probability that two elements which are selected at random with replacement from a finite semigroup S have the same right matrix.