%0 Journal Article %A Harvey, John %A Kerin, Martin %A Shankar, Krishnan %T Semi-Free Actions with Manifold Orbit Spaces %J Documenta mathematica %D 2020 %P 2085-2114 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2020__25__a13/ %G en %F DOCMA_2020__25__a13