%0 Journal Article %A William Pardon %A W.-c. Hsiang %T When are Topologically Equivalent Orthogonal Transformations Linearly Equivalent? %J Inventiones mathematicae %D 1982 %P 275-316 %V 68 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1982__68_142936/ %F IM_1982__68_142936