%0 Journal Article %A Oxenham, Martin %A Casse, Rey %T Towards the determination of the regular $n$-covers of $PG(3,q)$ %J Bollettino della Unione matematica italiana %D 2003 %P 57-87 %V 6B %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BUMI_2003_8_6B_1_a3/ %G en %F BUMI_2003_8_6B_1_a3