@article{GDZPPN002210681,
title = {on the existence of stable rank-2 sheaves on algebraic surfaces},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {435},
year = {1993},
pages = {213-219},
zbl = {0765.14024},
url = {http://dml.mathdoc.fr/item/GDZPPN002210681}
}
Qin, Zhenbo. on the existence of stable rank-2 sheaves on algebraic surfaces. Journal für die reine und angewandte Mathematik, Tome 435 (1993) pp. 213-219. http://gdmltest.u-ga.fr/item/GDZPPN002210681/