@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/