%0 Journal Article %A G. Thierrin %A H. Jürgensen %T Semigroups with each element disjunctive. %J Semigroup forum %D 1980 %P 127-142 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1980__21_134442/ %F SF_1980__21_134442