%0 Journal Article
%A Artes, Joan C.
%A Llibre, Jaume
%A Vulpe, Nicolae
%T Complete geometric invariant study of two classes of quadratic systems
%J Electronic Journal of Differential Equations
%D 2012
%V 2012
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a17/
%G en
%F EJDE_2012__2012__a17