%0 Journal Article %A Rosa M. MirĂ³-Roig %T A Sharp Bound for the Number of Points where a Rank 3 Stable Reflexive Sheaf is not Free. %J Manuscripta mathematica %D 1986 %P 11-18 %V 56 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1986__56_155154/ %F MM2_1986__56_155154