1. Sur la représentation des fonctions discontinues
2. 2. M.M. Bonsangue, F. Breugel, and J.J.M.M. Rutten, 1995 . Alexandroff and Scott topologies for generalized ultrametric spaces . Technical Report IR-394. Vrije Universiteit, Amsterdam.
3. 3. M.M. Bonsangue, 1996 . Topological Dualities in Semantics. Ph.D. Thesis , Vrije Universiteit, Amsterdam.
4. 5. F. Breugel, 1995 . A theory of metric labelled transition systems . Technical Report SOCS-95.6. McGill University, Montreal.