no. 1
Singularités des espaces de modules de Hilbert, en les caractéristiques divisant le discriminant
Compositio Mathematica, Tome 90 (1994) no. 1, pp. 59-79. 
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     author = {Deligne, Pierre and Pappas, Georgios},
     title = {Singularit\'es des espaces de modules de {Hilbert,} en les caract\'eristiques divisant le discriminant},
     journal = {Compositio Mathematica},
     pages = {59--79},
     publisher = {Kluwer Academic Publishers},
     volume = {90},
     number = {1},
     year = {1994},
     mrnumber = {1266495},
     zbl = {0826.14027},
     language = {fr},
     url = {http://archive.numdam.org/item/CM_1994__90_1_59_0/}
}
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Deligne, Pierre; Pappas, Georgios. Singularités des espaces de modules de Hilbert, en les caractéristiques divisant le discriminant. Compositio Mathematica, Tome 90 (1994) no. 1, pp. 59-79. http://archive.numdam.org/item/CM_1994__90_1_59_0/

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