%0 Journal Article %A K. Auinger %T Orthodox semigroups with complemented congruence lattices. %J Semigroup forum %D 1991 %P 53-58 %V 42 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1991__42_3_135063/ %F SF_1991__42_3_135063