@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/