@article{GDZPPN002427044,
title = {Hyperplane Coverings and Blocking Sets.},
journal = {Mathematische Zeitschrift},
volume = {180},
year = {1982},
pages = {407-410},
zbl = {0491.51013},
url = {http://dml.mathdoc.fr/item/GDZPPN002427044}
}
Bruen, Aiden A.; Thas, Joseph Adolphe. Hyperplane Coverings and Blocking Sets.. Mathematische Zeitschrift, Tome 180 (1982) pp. 407-410. http://gdmltest.u-ga.fr/item/GDZPPN002427044/