%0 Journal Article %A Conrad, Brian %A Edixhoven, Bas %A Stein, William %T $J_1(p)$ has connected fibers %J Documenta mathematica %D 2003 %P 331-408 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2003__8__a7/ %G en %F DOCMA_2003__8__a7