@article{PORMA_2000__57_1_49273,
     author = {Cragnolini, P. and Oliverio, P.A.},
     title = {Lines on del {Pezzo} surfaces with  in characteristic 2 in the smooth case.},
     journal = {Portugaliae mathematica},
     pages = {59--95},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2000},
     zbl = {0989.14012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2000__57_1_49273/}
}