%0 Journal Article %A Morgado, José %T Factorization of the lattice of closure operators of a complete lattice %J Portugaliae mathematica %D 1966 %P 181-185 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1966__25_4_114989/ %G en %F PORMA_1966__25_4_114989