%0 Journal Article %A H. KoĊ‚akowski %T Qualitative study of a system of three polynomial equations %J Commentationes Mathematicae %D 1968 %P 157-173 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v11i1.5611/ %R 10.14708/cm.v11i1.5611 %G pl %F 10_14708_cm_v11i1_5611