1. Blanpain, B., Champarnaud, J.-M., Dubernard, J.P.: Geometrical languages. In: Martin-Vide, C. (ed.) International Conference on Language Theory and Automata (LATA 2007). GRLMC Universitat Rovira I Virgili, vol. 35(07), pp. 127–138 (2007)
2. Brauer, A.: On a problem of partitions. Amer. J. Math. 64, 299–312 (1942)
3. Carpentier, F.: Systèmes d’équations diophantiennes et test de géométricité sur un langage rationnel. Rapport de master, Université de Rouen, France (2008)
4. Lecture Notes in Computer Science;J.-M. Champarnaud,2010
5. Lecture Notes in Computer Science;J.-M. Champarnaud,2011