@article{JRAM_1994__453_153639,
     author = {Alexei N. Rudakov},
     title = {A description of {Chern} classes of semistable sheaves on a quadric surface.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {113--136},
     publisher = {mathdoc},
     volume = {453},
     year = {1994},
     zbl = {0805.14023},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1994__453_153639/}
}