TY - JOUR AU - Antonio Lanteri AU - Hidetoshi Maeda TI - Geometrically ruled surfaces as zero loci of ample vector bundles. JO - Forum mathematicum PY - 1997 SP - 1 EP - 16 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FORUM_1997__9_2_141790/ ID - FORUM_1997__9_2_141790 ER -