Valqui Haase, C., Guccione, J. A., & Guccione, J. J. (2013). A differential equation for polynomials related to the Jacobian conjecture. Pro Mathematica, 27(53-54), 83-98. Recuperado a partir de https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10409