@article{GDZPPN002440113,
title = {Simple sheaves versus stable sheaves on algebraic surfaces.},
journal = {Mathematische Zeitschrift},
volume = {209},
year = {1992},
pages = {559-580},
zbl = {0735.14014},
url = {http://dml.mathdoc.fr/item/GDZPPN002440113}
}
Qin, Zhenbo. Simple sheaves versus stable sheaves on algebraic surfaces.. Mathematische Zeitschrift, Tome 209 (1992) pp. 559-580. http://gdmltest.u-ga.fr/item/GDZPPN002440113/