@article{10_4153_CJM_2013_037_8,
     author = {Koskivirta, Jean-Stefan},
     title = {Congruence {Relations} for {Shimura} {Varieties} {Associated} with {GU(n{\textendash}1,} 1)},
     journal = {Canadian journal of mathematics},
     pages = {1305--1326},
     year = {2014},
     volume = {66},
     number = {6},
     doi = {10.4153/CJM-2013-037-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-037-8/}
}