@article{GDZPPN002318601, title = {Weierstrass Points in Characteristic p.}, journal = {Mathematische Annalen}, volume = {250}, year = {1980}, pages = {123-132}, zbl = {0408.14008}, url = {http://dml.mathdoc.fr/item/GDZPPN002318601} }
Valentini, Robert C.; Madan, Manohar L. Weierstrass Points in Characteristic p.. Mathematische Annalen, Tome 250 (1980) pp. 123-132. http://gdmltest.u-ga.fr/item/GDZPPN002318601/