@article{05947058, title = {Moduli of framed sheaves on projective surfaces.}, journal = {Documenta Mathematica}, volume = {16}, year = {2011}, pages = {399-410}, zbl = {1222.14022}, language = {en}, url = {http://dml.mathdoc.fr/item/05947058} }
Bruzzo, Ugo; Markushevish, Dimitri. Moduli of framed sheaves on projective surfaces.. Documenta Mathematica, Tome 16 (2011) pp. 399-410. http://gdmltest.u-ga.fr/item/05947058/