Equivalents of Certain Minimal Element Principles. Letters in Nonlinear Analysis and its Applications, [S. l.], v. 1, n. 1, p. 1–11, 2022. Disponível em: https://lettersinnonlinearanalysis.com/index.php/lnaa/article/view/v1n1a01. Acesso em: 14 may. 2026.