Wightwick P G. Semi-group Conditions for Affine Algebraic Plane Curves with More than One Place at Infinity. Rev. mat. complut. [Internet]. 30 de marzo de 2007 [citado 17 de noviembre de 2024];20(1):139-206. Disponible en: https://doi.org/10.5209/rev_REMA.2007.v20.n1.16555