%0 Journal Article %A Martin Fuchs %T An Elementary Partial Regularity Proof for Vector-Valued Obstacle Problems. %J Mathematische Annalen %D 1987 %P 217-226 %V 279 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164318/ %F MAN_1987__279_3_164318