%0 Journal Article %A F. Catanese %T Everywhere non reduced moduli spaces. %J Inventiones mathematicae %D 1989 %P 293-310 %V 98 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1989__98_1_143731/ %F IM_1989__98_1_143731