@article{10_4171_dm_218,
     author = {Chia-Fu Yu},
     title = {The supersingular loci and mass formulas on {Siegel} modular varieties},
     journal = {Documenta mathematica},
     pages = {449--468},
     year = {2006},
     volume = {11},
     doi = {10.4171/dm/218},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/218/}
}