%0 Journal Article %A Galeotti, Mattia %T Singularities of Moduli of Curves with a Universal Root %J Documenta mathematica %D 2017 %P 1337-1373 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a10/ %G en %F DOCMA_2017__22__a10