%0 Journal Article %A Stefan Hildebrandt %A J.C.C. Nitsche %T Geometric Properties of Minimal Surfaces with Free Boundaries. %J Mathematische Zeitschrift %D 1983 %P 497-510 %V 184 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1983__184_173378/ %F MZ_1983__184_173378