@article{GDZPPN00209939X, title = {A Cohomological Characterization of IPn.}, journal = {Inventiones mathematicae}, volume = {74}, year = {1983}, pages = {315-322}, zbl = {0544.14013}, url = {http://dml.mathdoc.fr/item/GDZPPN00209939X} }
Wahl, J.M. A Cohomological Characterization of IPn.. Inventiones mathematicae, Tome 74 (1983) pp. 315-322. http://gdmltest.u-ga.fr/item/GDZPPN00209939X/