Generalized commutative semigroups V. L. MannepalliC. Sri Hari Nagore Research Article Pages: 65 - 73
On the lattice of varieties of completely simple semigroups V. V. Rasin Research Article Pages: 113 - 122
Positive-definite functions on discrete commutative semigroups Toma W. Tonev Research Article Pages: 175 - 183
Algebraic dimension of semigroups with application to invariant measures G. J. Székely Research Announcement Pages: 185 - 187
Embedding ordered topological spaces into topological semilattices T. H. ChoeY. S. Park Research Article Pages: 189 - 199
Semilattices of width 3 whose decomposable elements form a chain V. M. Širjaev Research Article Pages: 201 - 240
Multiplier semigroups and weakly almost periodic measures on foundation semigroups Heneri A. M. Dzinotyiweyi Research Article Pages: 241 - 260
Semigroups with exactly three regular D-classes K. D. Magill Jr.S. Subbiah Short Note Pages: 279 - 281
Symposium on Regular Semigroups Northern Illinois University DeKalb, Illinois 60115 April 20–21, 1979 Announcement Pages: 282 - 282
A theorem on binary relations and infinite regular languages Štefan Schwarz Research Article Pages: 307 - 316
On the lattice of completely-simple congruences on a Croisot-Teissier semigroup Bruce W. Mielke Research Article Pages: 325 - 336
Quotient monoids and greatest commutative monoid images of several types Tom Head Research Article Pages: 351 - 363
DieD-Klassen der Endlichen Symmetrischen Halbgruppen Und Ihre Mächtigkeiten-Klassen der Endlichen Symmetrischen Halbgruppen Und Ihre Mächtigkeiten Kaltscho Todorov Short Notes Pages: 387 - 388