@article{10_4171_dm_794,
     author = {John Harvey and Martin Kerin and Krishnan Shankar},
     title = {Semi-Free {Actions} with {Manifold} {Orbit} {Spaces}},
     journal = {Documenta mathematica},
     pages = {2085--2114},
     year = {2020},
     volume = {25},
     doi = {10.4171/dm/794},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/794/}
}