@article{10_4153_S0008414X20000127,
     author = {Crooks, Peter and Pruijssen, Maarten van},
     title = {An {Application} of {Spherical} {Geometry} to {Hyperk\"ahler} {Slices}},
     journal = {Canadian journal of mathematics},
     pages = {687--716},
     year = {2021},
     volume = {73},
     number = {3},
     doi = {10.4153/S0008414X20000127},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X20000127/}
}