%0 Journal Article %A Willi Jäger %A Stefan Hildebrandt %T On the Regularity of Surfaces with Prescribed Mean Curvature at a Free Boundary. %J Mathematische Zeitschrift %D 1970 %P 289-308 %V 118 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1970__118_171462/ %F MZ_1970__118_171462