%0 Journal Article %A Bogdan Przeradzki %T A topological version of the Ambrosetti-Prodi theorem %J Annales Polonici Mathematici %D 1996 %P 121-130 %V 64 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-64-2-121-130/ %R 10.4064/ap-64-2-121-130 %G en %F 10_4064_ap_64_2_121_130