@article{GDZPPN002423367, title = {On Interior Branch Points of Minimal Surfaces.}, journal = {Mathematische Zeitschrift}, volume = {174}, year = {1980}, pages = {133-154}, zbl = {0421.53007}, url = {http://dml.mathdoc.fr/item/GDZPPN002423367} }
Beeson, Michael. On Interior Branch Points of Minimal Surfaces.. Mathematische Zeitschrift, Tome 174 (1980) pp. 133-154. http://gdmltest.u-ga.fr/item/GDZPPN002423367/