%0 Journal Article %A J. Quigley %T An exact sequence from the nth to the (n-1)-st fundamental group %J Fundamenta Mathematicae %D 1972 %P 195-210 %V 77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-77-3-195-210/ %R 10.4064/fm-77-3-195-210 %G en %F 10_4064_fm_77_3_195_210