%0 Journal Article %A Zbigniew Jelonek %T The set of points at which a polynomial map is not proper %J Annales Polonici Mathematici %D 1993 %P 259-266 %V 58 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-58-3-259-266/ %R 10.4064/ap-58-3-259-266 %G en %F 10_4064_ap_58_3_259_266