%0 Journal Article %A Ulf Backlund %A Anders Fällström %T The polynomial hull of unions of convex sets in $ℂ^n$ %J Colloquium Mathematicum %D 1996 %P 7-11 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-70-1-7-11/ %R 10.4064/cm-70-1-7-11 %G en %F 10_4064_cm_70_1_7_11