%0 Journal Article %A J. Extremiana %A L. Hernández %A M. Rivas %T An isomorphism theorem of Hurewicz type in the proper homotopy category %J Fundamenta Mathematicae %D 1989 %P 195-214 %V 132 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-132-3-195-214/ %R 10.4064/fm-132-3-195-214 %G pl %F 10_4064_fm_132_3_195_214