%0 Journal Article %A W. Ruitenburg %T Products of idempotent matrices over Hermite domains. %J Semigroup forum %D 1993 %P 371-378 %V 46 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1993__46_1_135243/ %F SF_1993__46_1_135243