PERA, Jacek. The risk of the increasing divergence of the eurozone and the problem of macroeconomic imbalances in a three-gap model. Economics and Business Review, Poland, v. 2, n. 2, p. 18–38, 2016. DOI: 10.18559/ebr.2016.2.2. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/244. Acesso em: 3 apr. 2025.