The lattice of R -subalgebras of a bounded distributive lattice Luc Vrancken-Mawet — 1984 Commentationes Mathematicae Universitatis Carolinae
The 0-distributivity in the class of subalgebra lattices of Heyting algebras and closure algebras Luc Vrancken-Mawet — 1987 Commentationes Mathematicae Universitatis Carolinae
The subalgebra lattice of a Heyting algebra Luc Vrancken-Mawet; Georges Hansoul — 1987 Czechoslovak Mathematical Journal