@article{GDZPPN002311267, title = {Weierstrass Points of the Universal Curve.}, journal = {Mathematische Annalen}, volume = {217}, year = {1975}, pages = {35-42}, zbl = {0291.32028}, url = {http://dml.mathdoc.fr/item/GDZPPN002311267} }
Lax, R.F. Weierstrass Points of the Universal Curve.. Mathematische Annalen, Tome 217 (1975) pp. 35-42. http://gdmltest.u-ga.fr/item/GDZPPN002311267/