Correction to "A simple construction of semigroups all of whose subsemigroups are left ideals."
Introduction to Semigroups (Book Review by A. H. Clifford).
A simple construction of semigroups all of whose subsemigroups are left ideals.
Rings and Semigroups (Book Review by E. Behrens).
The semigroup generated by certain operators on the congruence lattice of a Clifford semigroup.
Bibliographical comment.
The translational hull in semigroups and rings.
On the varieties of completely regular semigroups.
Inner automorphisms of the translational hull.
All varieties of orthogroups.
Certain Rees matrix semigroups with universal properties.
A new approach to orders in simple rings with minimal one-sided ideals.
Some constructions related to Rees matrix rings.
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