Einige Bemerkungen über Clones und interpolierbare Funktionen auf universellen Algebren
E-minimal semigroups.
Endliche Gruppen mit vielen Untergruppen.
Equivalence relations defined by automorphism groups
Equivalence Systems with Finitely Many Relations.
Equivalences, a-semigroups and a-congruences.
Etude du treillis des congruences à droite sur le monoide bicyclique.
E-varieties of regular semigroups, relatively bifree objects and fully invariant congruences.
Every at most four element algebra has a Mal'cev theory for permutability
Exchange properties and basis properties for closure operators
Existence and uniqueness of -representations of algebras