%0 Journal Article %A Margherita Barile %T On the Number of Equations Defining Certain Varieties. %J Manuscripta mathematica %D 1996 %P 483-494 %V 91 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1996__91_3_156243/ %F MM2_1996__91_3_156243