@article{FORUM_1992__4_6_141692,
     author = {M. Biliotti and Gabor Korchmaros},
     title = {Blocking sets which are preserved by transitive collineation groups.},
     journal = {Forum mathematicum},
     pages = {567--592},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1992},
     zbl = {0768.51008},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141692/}
}