TY - JOUR AU - W. Barth TI - Irreducibility of the Space of Mathematical Instanton Bundles with Rank 2 and c2 = 4. JO - Mathematische Annalen PY - 1981 SP - 81 EP - 106 VL - 258 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1981__258_163580/ ID - MAN_1981__258_163580 ER -