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Endomorphism monoids of free acts and 0-wreath products of monoids, II. Regularity. U. Knauer, A. Mikhalev (1980) Semigroup forum
Epimorphisms of inverse semigroups of homeomorphisms between closed subsets. B. Baird (1977) Semigroup forum
Equipotence et unicité de systems générateurs minimaux dans certains monoides. J. Doyen (1984) Semigroup forum
Etude du treillis des congruences à droite sur le monoide bicyclique. G. Duchamp (1986) Semigroup forum
Extending congruences on factors of ideally compactifiable semigroups. J.A. Hildebrant (1976) Semigroup forum
Extension of additive functionals and semicharacters on commutative semigroups. P. Kranz (1979) Semigroup forum