Puchuri, L. (2020) About the stability between a foliation of degree two and the pencil of conics that deļ¬nes it, Pro Mathematica, 31(61), pp. 33-52. Disponible en: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/23267 (Accedido: 1diciembre2023).