%0 Journal Article %A Ulrich Dierkes %T A classification of minimal cones in Rn x R+ and a counterexample to interior regularitiy of energy minimizing functions. %J Manuscripta mathematica %D 1989 %P 173-192 %V 63 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155375/ %F MM2_1989__63_3_155375