@article{01278980, title = {Basepoint freeness for nef and big line bundles in positive characteristic.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {253-286}, doi = {10.2307/121025}, zbl = {0954.14004}, language = {en}, url = {http://dml.mathdoc.fr/item/01278980} }
Keel, Seán. Basepoint freeness for nef and big line bundles in positive characteristic.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 253-286. doi : 10.2307/121025. http://gdmltest.u-ga.fr/item/01278980/