PUCHURI, Liliana. About the stability between a foliation of degree two and the pencil of conics that de?nes it. Pro Mathematica, [S. l.], v. 31, n. 61, p. 33–52, 2020. Disponível em: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/23267. Acesso em: 24 dic. 2025.