@article{GDZPPN00223680X, title = {Self-intersection Points in classical area-minimizing surfaces.}, journal = {Manuscripta mathematica}, volume = {86}, year = {1995}, pages = {259-268}, zbl = {0836.53005}, url = {http://dml.mathdoc.fr/item/GDZPPN00223680X} }
Chan, Claire C. Self-intersection Points in classical area-minimizing surfaces.. Manuscripta mathematica, Tome 86 (1995) pp. 259-268. http://gdmltest.u-ga.fr/item/GDZPPN00223680X/