BUSZKO, Andrzej. Does the shadow economy violate the Walras equilibrium?. Journal of Management and Financial Sciences, [S. l.], n. 46, p. 21–31, 2023. DOI: 10.33119/JMFS.2022.46.2. Disponível em: https://econjournals.sgh.waw.pl/JMFS/article/view/3193. Acesso em: 4 may. 2024.