@article{MAN_1990__288_1_164731,
     author = {Hidetoshi Maceda},
     title = {Ramification divisors for branched coverings of {IPn.}},
     journal = {Mathematische Annalen},
     pages = {195--200},
     publisher = {mathdoc},
     volume = {288},
     number = {1},
     year = {1990},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164731/}
}