https://www.cimat.mx/wp-content/uploads/2021/04/transparent.png00González Villa Manuelhttps://www.cimat.mx/wp-content/uploads/2021/04/transparent.pngGonzález Villa Manuel2023-06-20 17:44:142023-06-20 17:44:14On a quadratic form associated with a surface automorphism and its applications to Singularity Theory