@article{IM_1996__123_3_144340,
     author = {Kieran G. O'Grady},
     title = {Moduli of vector bundles on projective surfaces: some basic results.},
     journal = {Inventiones mathematicae},
     pages = {141--208},
     year = {1996},
     volume = {123},
     number = {3},
     zbl = {0869.14005},
     url = {http://geodesic.mathdoc.fr/item/IM_1996__123_3_144340/}
}