@article{FORUM_1994__6_3_141724,
     author = {Edoardo Ballico},
     title = {On the components of moduli of simple sheaves on a surface.},
     journal = {Forum mathematicum},
     pages = {35--42},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1994},
     zbl = {0808.14035},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1994__6_3_141724/}
}