PEJSACHOWICZ, Jacobo. Remarks on criticality and crisis in pure exchange economies. Topological Methods in Nonlinear Analysis, [S. l.], v. 59, n. 2A, p. 687–716, 2022. DOI: 10.12775/TMNA.2021.065. Disponível em: https://apcz.umk.pl/TMNA/article/view/37961. Acesso em: 8 jul. 2025.