TY - JOUR AU - Masahiro Ohno TI - An affirmative answer to a question of Ciliberto. JO - Manuscripta mathematica PY - 1993 SP - 437 EP - 444 VL - 81 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1993__81_3-4_155910/ ID - MM2_1993__81_3-4_155910 ER -