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@article{JRAM_1992__433_153477, author = {Zhenbo Qin}, title = {Moduli of stable sheaves on ruled surfaces and their {Picard} groups.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {201--219}, publisher = {mathdoc}, volume = {433}, year = {1992}, zbl = {0753.14031}, url = {http://geodesic.mathdoc.fr/item/JRAM_1992__433_153477/} }
Zhenbo Qin. Moduli of stable sheaves on ruled surfaces and their Picard groups.. Journal für die reine und angewandte Mathematik, Tome 433 (1992), pp. 201-219. http://geodesic.mathdoc.fr/item/JRAM_1992__433_153477/