Mathieu, Bertrand. “National Constitutional Identity Confronted With the Constraints of European Union Law”. In Common Values and Constitutional Identities: Can Separate Gears Be Synchronised?, edited by András Zs. Varga and Lilla Berkes, 51–77. Miskolc–Budapest: Studies of the Central European Professors’ Network, 2023. Accessed September 8, 2026. https://cea.omp.testing.qulto.eu:443/index.php/ceaprofnet/catalog/book/34/chapter/301.