%0 Journal Article %A Siu-Kei Tin %T Numerically positive polynomials for k-ample vector bundles. %J Mathematische Annalen %D 1992 %P 579-590 %V 294 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1992__294_4_165018/ %F MAN_1992__294_4_165018