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@article{IM_1980__59_142728, author = {Robert Lazarsfeld and Terence Gaffney}, title = {On the {Ramification} of {Branched} {Coverings} of {IPn.}}, journal = {Inventiones mathematicae}, pages = {53--58}, publisher = {mathdoc}, volume = {59}, year = {1980}, zbl = {0422.14010}, url = {http://geodesic.mathdoc.fr/item/IM_1980__59_142728/} }
Robert Lazarsfeld; Terence Gaffney. On the Ramification of Branched Coverings of IPn.. Inventiones mathematicae, Tome 59 (1980), pp. 53-58. http://geodesic.mathdoc.fr/item/IM_1980__59_142728/