@article{GDZPPN002336200, title = {Arithmetic discriminants and horizontal intersections.}, journal = {Mathematische Annalen}, volume = {291}, year = {1991}, pages = {705-724}, zbl = {0724.14015}, url = {http://dml.mathdoc.fr/item/GDZPPN002336200} }
Harbater, David. Arithmetic discriminants and horizontal intersections.. Mathematische Annalen, Tome 291 (1991) pp. 705-724. http://gdmltest.u-ga.fr/item/GDZPPN002336200/