Morphisms in the category J T F ∞ . Weak classifier of monomorphisms Coulon, Josette; Coulon, Jean-Louis — 1988 Portugaliae mathematica
The spectrum of a separated presheaf and the relation between totally fuzzy subsets and fuzzy subsets; application to fuzzy topology Coulon, Josette; Coulon, Jean-Louis — 1989 Portugaliae mathematica
Injectivity in the quasi-topo of separated presheaves on a complete Heyting algebra Coulon, Josette; Coulon, Jean-Louis — 1990 Portugaliae mathematica