Stępkowski, Aleksander. “European Integration As a Process of Emergence of the Postmodern Supranational State”. Federalism As the Future of the Diverse EU?, edited by András Zs. Varga and Lilla Berkes, Studies of the Central European Professors’ Network, 2025, pp. 45–82, https://doi.org/10.54237/profnet.2025.azsvlbffde_2.