%0 Journal Article %A R.R. Zapatrin %T Generating semigroups for complete atomistic ortholattices. %J Semigroup forum %D 1993 %P 36-47 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135252/ %F SF_1993__47_2_135252