FERNÁNDEZ SÁNCHEZ, Percy; GARCÍA, Evelia R.; SARAVIA MOLINA, Nancy. A remark on the Tjurina and Milnor numbers of a foliation of second type. Pro Mathematica, [S. l.], v. 32, n. 63, p. 11–22, 2022. Disponível em: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/25727. Acesso em: 24 dic. 2025.