LAZNEVA, I. Emergence and problems of implementation of a concept of European Union citizenship (1957-2004). Skhid, [S. l.], n. 2(116), p. 111–115, 2013. DOI: 10.21847/1728-9343.2012.2(116).16423. Disponível em: https://skhid.kubg.edu.ua/article/view/16423. Acesso em: 2 may. 2024.