Abstract
The well known boundary regularity results of H. Lewy and W. Jäger for area minimizing minimal surfaces with a free boundary are shown to be true also for minimal surfaces which are only stationary points of the Dirichlet integral with respect to a given boundary configuration.
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Grüter, M., Hildebrandt, S. & Nitsche, J.C.C. On the boundary behavior of minimal surfaces with a free boundary which are not minima of the area. Manuscripta Math 35, 387–410 (1981). https://doi.org/10.1007/BF01263271
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DOI: https://doi.org/10.1007/BF01263271