@article{GDZPPN002087936,
title = {The Boundary Behavior of Minimal Surfaces. Kellogg's Theorem and Branch Points on the Boundary.},
journal = {Inventiones mathematicae},
volume = {9},
year = {1969},
pages = {313-333},
zbl = {0195.23101},
url = {http://dml.mathdoc.fr/item/GDZPPN002087936}
}
NITSCHE, J.C.C. The Boundary Behavior of Minimal Surfaces. Kellogg's Theorem and Branch Points on the Boundary.. Inventiones mathematicae, Tome 9 (1969) pp. 313-333. http://gdmltest.u-ga.fr/item/GDZPPN002087936/