@article{10_4153_CJM_2010_031_2,
     author = {Vollaard, Inken},
     title = {The {Supersingular} {Locus} of the {Shimura} {Variety} for {GU(1,} s)},
     journal = {Canadian journal of mathematics},
     pages = {668--720},
     year = {2010},
     volume = {62},
     number = {3},
     doi = {10.4153/CJM-2010-031-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-031-2/}
}