TY - JOUR AU - Oxenham, Martin AU - Casse, Rey TI - Towards the determination of the regular $n$-covers of $PG(3,q)$ JO - Bollettino della Unione matematica italiana PY - 2003 SP - 57 EP - 87 VL - 6B IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BUMI_2003_8_6B_1_a3/ LA - en ID - BUMI_2003_8_6B_1_a3 ER -