@article{BUMI_2000_8_3A_1S_a44,
     author = {Polverino, Olga},
     title = {Blocking set nei piani proiettivi},
     journal = {Bollettino della Unione matematica italiana},
     pages = {181--184},
     publisher = {mathdoc},
     volume = {Ser. 8, 3A},
     number = {1S},
     year = {2000},
     zbl = {1053.51500},
     mrnumber = {303406},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2000_8_3A_1S_a44/}
}