@article{IM_1993__112_3_144115, author = {Kieran G. O'Grady}, title = {The irreducible components of moduli spaces of vector bundles on surfaces.}, journal = {Inventiones mathematicae}, pages = {585--614}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {1993}, zbl = {0816.14018}, url = {http://geodesic.mathdoc.fr/item/IM_1993__112_3_144115/} }