DE OMENA MARINHO, Raphael. Introduction to Local Euler Obstruction: From Platonic Solids to Determinantal Varieties. Latin American Journal of Mathematics, [S. l.], v. 4, n. 1, p. 53–80, 2025. DOI: 10.14244/lajm.v4i1.37. Disponível em: https://www.lajm.ufscar.br/index.php/capa/article/view/37. Acesso em: 6 dec. 2025.