On the Regularity of Minimal Surfaces with Free Boundaries in Riemannian Manifolds. Jürgen Jost (1986) Manuscripta mathematica
On the Singular Structure of Two-Dimensional Area Minimizing Surfaces in Rn. Frank Morgan (1982) Mathematische Annalen
On the stability of the free boundary in the obstacle problem for a minimal surface Rodrigues, José Francisco (1982) Portugaliae mathematica
On the structure of the set of curves bounding minimal surfaces of prescribed degeneracy. Anthony J. Tromba, Friedrich Tomi (1980) Journal für die reine und angewandte Mathematik
On the uniqueness of isoperimetric solutions and imbedded soap bubbles in non-compact symmetric spaces, I. Wu-yi Hsiang, Wu-Teh Hsiang (1989) Inventiones mathematicae
Optimal Boundary Regularity for Minimal Surfaces with a Free Boundary. S. Hildebrandt, J.C.C. Nitsche (1980/1981) Manuscripta mathematica
Optimal regularity for codimension one minimal surfaces with a free boundary. Michael Grüter (1987) Manuscripta mathematica