Chavarriga, Javier et A. García, Isaac, Lie Symmetries of Quasihomogeneous Polynomial Planar Vector Fields and Certain Perturbations, Acta mathematica Sinica. English series (Print) , 21(1), 2004, pp. 185-192
In this work we study Lie symmetries of planar quasihomogeneous polynomial vector fields from different points of view, showing its integrability. Additionally, we show that certain perturbations of such vector fields which generalize the socalled degenerate infinity vector fields are also integrable.