TY - JOUR AU - Edoardo Ballico TI - On rank two vector bundles on an algebraic surface. JO - Forum mathematicum PY - 1992 SP - 231 EP - 242 VL - 4 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141673/ ID - FORUM_1992__4_6_141673 ER -