@article{GDZPPN002096234,
title = {On the Ramification of Branched Coverings of IPn.},
journal = {Inventiones mathematicae},
volume = {56},
year = {1980},
pages = {53-58},
zbl = {0422.14010},
url = {http://dml.mathdoc.fr/item/GDZPPN002096234}
}
Lazarsfeld, Robert; Gaffney, Terence. On the Ramification of Branched Coverings of IPn.. Inventiones mathematicae, Tome 56 (1980) pp. 53-58. http://gdmltest.u-ga.fr/item/GDZPPN002096234/