TY - JOUR AU - S. Hildebrandt AU - J.C.C. Nitsche TI - Optimal Boundary Regularity for Minimal Surfaces with a Free Boundary. JO - Manuscripta mathematica PY - 1980 SP - 357 EP - 364 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1980__33_154754/ ID - MM2_1980__33_154754 ER -