hal-00755009v1Chapitre d'ouvrage Jordi Cabot, Martin Gogolla. Object Constraint Language (OCL): A Definitive Guide Marco Bernardo, Vittorio Cortellessa, Alfonso Pierantonio. Formal Methods for Model-Driven Engineering - 12th International School on Formal Methods for the Design of Computer, Communication, and Software Systems, 7320, Springer, pp.58-90, 2012, Lecture Notes in Computer Science