TY - JOUR AU - Stefan Hildebrandt AU - J.C.C. Nitsche TI - Geometric Properties of Minimal Surfaces with Free Boundaries. JO - Mathematische Zeitschrift PY - 1983 SP - 497 EP - 510 VL - 184 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1983__184_173378/ ID - MZ_1983__184_173378 ER -