A. Guccione, J., Guccione, J. J., Horruitiner, R., & Valqui, C. (2019). The Jacobian conjecture: Approximate roots and intersection numbers. Pro Mathematica, 30(60), 51-89. Recuperado a partir de https://revistas.pucp.edu.pe/index.php/promathematica/article/view/21094