%0 Journal Article %A T. Rushing %T The compacta X in $S^n$ for which Sh(X) = Sh($S^k$) is equivalent to $S^n$-X ≈ $S^n$-$S^k$ %J Fundamenta Mathematicae %D 1977 %P 79-94 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-97-2-79-94/ %R 10.4064/fm-97-2-79-94 %G en %F 10_4064_fm_97_2_79_94