TY - JOUR AU - Robert Friedman TI - Rank two vector bundles over regular elliptic surfaces. JO - Inventiones mathematicae PY - 1989 SP - 283 EP - 332 VL - 96 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__96_1_143680/ ID - IM_1989__96_1_143680 ER -