@article{MAN_1991__291_1_164847,
     author = {Giuseppe Pareschi},
     title = {Exceptional linear systems on curves on {Del} {Pezzo} surfaces.},
     journal = {Mathematische Annalen},
     pages = {17--38},
     publisher = {mathdoc},
     volume = {291},
     number = {1},
     year = {1991},
     zbl = {0723.14004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164847/}
}