%0 Journal Article %A Schlomiuk, Dana %A Vulpe, Nicolae %T Global topological classification of Lotka-Volterra quadratic differential systems %J Electronic Journal of Differential Equations %D 2012 %V 2012 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a51/ %G en %F EJDE_2012__2012__a51