An Algorithm for Finding Invariant Algebraic Curves of a Given Degree for Polynomial Planar Vector Fields.

Grzegorz Swirszcz An Algorithm for Finding Invariant Algebraic Curves of a Given Degree for Polynomial Planar Vector Fields. 1033-1044 2005 15 I. J. Bifurcation and Chaos 3 http://dx.doi.org/10.1142/S0218127405012442 db/journals/ijbc/ijbc15.html#Swirszcz05